{"title":"Dial Bore Gages - Mitutoyo","description":"\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/Holtest_collection_600x600.jpg?v=1776435726\" alt=\"Holtest Collection\" style=\"float: right;\"\u003e\u003c\/div\u003e\n\u003cp data-start=\"192\" data-end=\"536\"\u003e\u003cstrong\u003eMitutoyo Holtest Dial Bore Gages\u003c\/strong\u003e are high-precision internal micrometers designed for fast, accurate measurement of inside diameters in bores, holes, and cylindrical features. Known for their reliability and repeatability, Holtests are widely used in machining, aerospace, automotive, and quality control applications where tight tolerances are critical.\u003c\/p\u003e\n\u003cp data-start=\"538\" data-end=\"986\"\u003eAt the core of the Holtest design is a self-centering three-point measuring system. Three hardened anvils, evenly spaced at 120°, automatically align with the bore axis to deliver true, consistent measurements with minimal operator influence. This design ensures superior accuracy compared to traditional two-point measurement methods and allows for direct reading of internal dimensions without complex setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1441\"\u003e\u003cstrong\u003eMitutoyo Holtest Dial Bore Gages\u003c\/strong\u003e are engineered for durability and long-term performance. Titanium Nitride (TiN)-coated contact points provide excellent wear resistance and allow measurements to be taken close to the bottom of blind holes, while carbide-tipped anvils enhance strength and longevity. A built-in ratchet stop mechanism applies constant measuring force, ensuring repeatable results regardless of user technique. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1443\" data-end=\"1903\"\u003eAvailable in both mechanical and digital (Digimatic) models, Holtests offer flexibility to match your inspection needs. Mechanical versions provide dependable, shop-floor ruggedness, while digital models feature easy-to-read displays and SPC data output for streamlined data collection and process control. Optional extension rods enable deep-hole measurement, and setting rings are available for precise zero calibration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1905\" data-end=\"2080\"\u003eFrom small precision bores to large diameter applications, \u003cstrong\u003eMitutoyo Holtest Dial Bore Gages\u003c\/strong\u003e deliver the accuracy, durability, and confidence required for critical internal measurements.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"368-261-mitutoyo-holetest","title":"368-261 Mitutoyo Holtest .275\" - .350\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.275\" - 0.350\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0001\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472161859,"sku":"368-261","price":645.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-261_d1ef9559-94a9-4d54-85d8-ac6412afca6d.jpg?v=1776461263"},{"product_id":"368-262-mitutoyo-holetest","title":"368-262 Mitutoyo Holtest .350\" - .425\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.350\" - 0.425\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0001\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472162051,"sku":"368-262","price":645.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-262_11dd2682-3b74-44bc-a7e1-b04baa4f7bbc.jpg?v=1776461332"},{"product_id":"368-263-mitutoyo-holetest","title":"368-263 Mitutoyo Holtest .425\" - .500\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.425\" - 0.500\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0001\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472162499,"sku":"368-263","price":645.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-263_121f91f0-1177-4fa4-ae1a-50f5770e2423.jpg?v=1776461332"},{"product_id":"368-264-mitutoyo-holetest","title":"368-264 Mitutoyo Holtest .500\" - .650\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.500\" - 0.650\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472162691,"sku":"368-264","price":669.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-264.jpg?v=1776461547"},{"product_id":"368-265-mitutoyo-holetest","title":"368-265 Mitutoyo Holtest .650\" - .800\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.650\" - 0.800\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472162947,"sku":"368-265","price":669.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-265.jpg?v=1776461698"},{"product_id":"368-266-mitutoyo-holetest","title":"368-266 Mitutoyo Holtest .800\" - 1.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.800\" - 1.000\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472163267,"sku":"368-266","price":695.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-266_ce525c86-9a3a-4f06-965c-f450dbff312a.jpg?v=1776461874"},{"product_id":"368-267-mitutoyo-holetest","title":"368-267 Mitutoyo Holtest 1.0\" - 1.2\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.00\" - 1.20\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472163459,"sku":"368-267","price":695.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-267_8b616617-dc62-4ecd-8392-8e0e30ff3303.jpg?v=1776461959"},{"product_id":"368-268-mitutoyo-holetest","title":"368-268 Mitutoyo Holtest 1.2\" - 1.6\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.20\" - 1.60\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472163715,"sku":"368-268","price":872.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-268_a30eba17-534a-4ffc-8f83-2c8f7138f069.jpg?v=1776462058"},{"product_id":"368-269-mitutoyo-holetest","title":"368-269 Mitutoyo Holtest 1.6\" - 2.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.60\" - 2.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472163843,"sku":"368-269","price":914.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-269_ba02d877-049d-40b8-a119-8222c1f06eb6.jpg?v=1776462184"},{"product_id":"368-270-mitutoyo-holetest","title":"368-270 Mitutoyo Holtest 2.0\" - 2.5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.00\" - 2.50\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472164739,"sku":"368-270","price":923.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-270.jpg?v=1776462319"},{"product_id":"368-271-mitutoyo-holetest","title":"368-271 Mitutoyo Holtest 2.5\" - 3.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.50\" - 3.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472165123,"sku":"368-271","price":1000.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-271.jpg?v=1776462417"},{"product_id":"368-272-mitutoyo-holetest","title":"368-272 Mitutoyo Holtest 3.0\" - 3.5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.00\" - 3.50\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472165315,"sku":"368-272","price":1026.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-272.jpg?v=1776462527"},{"product_id":"368-273-mitutoyo-holetest","title":"368-273 Mitutoyo Holtest 3.5\" - 4.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.50\" - 4.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472165635,"sku":"368-273","price":1068.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-273.jpg?v=1776462624"},{"product_id":"368-870-mitutoyo-holetest","title":"368-870 Mitutoyo Holtest II Internal Micrometer 2.0\" - 2.5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.00\" - 2.50\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3472167107,"sku":"368-870","price":931.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-870.jpg?v=1757023444"},{"product_id":"368-866-mitutoyo-holtest","title":"368-866 Mitutoyo Holtest II Internal Micrometer .8\" - 1\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.80\" - 1.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":3473401027,"sku":"368-866","price":700.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-866.jpg?v=1757023342"},{"product_id":"368-864-mitutoyo-holtest-ii-internal-micrometer-5-65","title":"368-864 Mitutoyo Holtest II Internal Micrometer .5\" - .65\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.50\" - .65\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956585349229,"sku":"368-864","price":655.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-864.jpg?v=1757022866"},{"product_id":"368-865-mitutoyo-holtest-ii-internal-micrometer-65-8","title":"368-865 Mitutoyo Holtest II Internal Micrometer .65\" - .8\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.65\" - .80\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.0001\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956595343469,"sku":"368-865","price":655.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-865.jpg?v=1757022865"},{"product_id":"368-867-mitutoyo-holtest-ii-internal-micrometer-1-0-1-2","title":"368-867 Mitutoyo Holtest II Internal Micrometer 1.0\" - 1.2\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.0\" - 1.20\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956617625709,"sku":"368-867","price":700.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-867.jpg?v=1757022864"},{"product_id":"368-868-mitutoyo-holtest-ii-internal-micrometer-1-2-1-6","title":"368-868 Mitutoyo Holtest II Internal Micrometer 1.2\" - 1.6\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.20\" - 1.60\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956628996205,"sku":"368-868","price":889.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-868.jpg?v=1757022863"},{"product_id":"368-869-mitutoyo-holtest-ii-internal-micrometer-1-6-2-0","title":"368-869 Mitutoyo Holtest II Internal Micrometer 1.6\" - 2.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.60\" - 2.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956636565613,"sku":"368-869","price":930.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-869.jpg?v=1757022862"},{"product_id":"368-871-mitutoyo-holtest-ii-internal-micrometer-2-5-3-0","title":"368-871 Mitutoyo Holtest II Internal Micrometer 2.5\" - 3.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.50\" - 3.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956652261485,"sku":"368-871","price":1016.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-871.jpg?v=1757022862"},{"product_id":"368-872-mitutoyo-holtest-ii-internal-micrometer-3-0-3-5","title":"368-872 Mitutoyo Holtest II Internal Micrometer 3.0\" - 3.5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.00\" - 3.50\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":31956671004781,"sku":"368-872","price":1064.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872.jpg?v=1757022861"},{"product_id":"368-873-mitutoyo-holtest-ii-internal-micrometer-3-5-4-0","title":"368-873 Mitutoyo Holtest II Internal Micrometer 3.5\" - 4.0\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.50\" - 4.00\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00015\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068736417901,"sku":"368-873","price":1064.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872_eacede5f-7316-42f7-b6a5-c59729abebb9.jpg?v=1757022847"},{"product_id":"368-874-mitutoyo-holtest-ii-internal-micrometer-4-5","title":"368-874 Mitutoyo Holtest II Internal Micrometer 4\" - 5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" - 5\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068753490029,"sku":"368-874","price":1387.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872_fec4eafd-45a8-4926-aa57-9cd063648c5f.jpg?v=1757022846"},{"product_id":"368-875-mitutoyo-holtest-ii-internal-micrometer-5-6","title":"368-875 Mitutoyo Holtest II Internal Micrometer 5\" - 6\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5\" - 6\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068760207469,"sku":"368-875","price":1434.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872_4311d693-61b3-4675-9be6-403b66e55f1f.jpg?v=1757022845"},{"product_id":"368-876-mitutoyo-holtest-ii-internal-micrometer-6-7","title":"368-876 Mitutoyo Holtest II Internal Micrometer 6\" - 7\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6\" - 7\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068765745261,"sku":"368-876","price":1624.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-876.jpg?v=1776463207"},{"product_id":"368-877-mitutoyo-holtest-ii-internal-micrometer-7-8","title":"368-877 Mitutoyo Holtest II Internal Micrometer 7\" - 8\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7\" - 8\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068770398317,"sku":"368-877","price":1786.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-877.jpg?v=1776463180"},{"product_id":"368-878-mitutoyo-holtest-ii-internal-micrometer-8-9","title":"368-878 Mitutoyo Holtest II Internal Micrometer 8\" - 9\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8\" - 9\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068776919149,"sku":"368-878","price":1814.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872_e9d93f60-31fa-43fb-84fb-a06f5864235d.jpg?v=1757022843"},{"product_id":"368-879-mitutoyo-holtest-ii-internal-micrometer-9-10","title":"368-879 Mitutoyo Holtest II Internal Micrometer 9\" - 10\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Type II Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mitutoyo Holtest is a versatile, self-centering three-point internal micrometer for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e9\" - 10\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardened Steel Measuring Contact Points provide excellent durability allow the instrument to measure close to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":32068784095341,"sku":"368-879","price":1909.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/products\/368-872_8f6d9ff0-8750-4898-bcb2-208bc8872642.jpg?v=1757022842"},{"product_id":"368-278-mitutoyo-holtest-8-9","title":"368-278 Mitutoyo Holtest 8\" - 9\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8\" - 9\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e0.00025\" Accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted wooden case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default Title","offer_id":44519889174770,"sku":"368-278","price":1881.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-278.jpg?v=1757022652"},{"product_id":"368-274-mitutoyo-holtest-4-5","title":"368-274 Mitutoyo Holtest 4\" - 5\"","description":"\u003cp\u003e\u003cstrong\u003eMitutoyo Holtest Internal Micrometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" - 5\" Measuring Range\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e+\u003c\/span\u003e 0.00025\" Accuracy\u003c\/li\u003e\n\u003cli\u003e0.0002\" Graduations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include...\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTiN-coated measuring contact points provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.\u003c\/li\u003e\n\u003cli\u003eHighly durable because of carbide-tipped contact points (anvils).\u003c\/li\u003e\n\u003cli\u003eMeasurement can be taken closer to the bottom of the blind bore.\u003c\/li\u003e\n\u003cli\u003eCan measure deep holes using an Extension rod (optional).\u003c\/li\u003e\n\u003cli\u003eWith Ratchet Stop for constant force.\u003c\/li\u003e\n\u003cli\u003eSetting Rings for zero point adjustment are optional.\u003c\/li\u003e\n\u003cli\u003eSupplied in fitted plastic case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitutoyo","offers":[{"title":"Default","offer_id":47541727920370,"sku":"368-274","price":1385.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/files\/368-274.jpg?v=1757023444"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0891\/2526\/collections\/Mitutoyo_Dial_Bore_Gages_6b93d13b-1157-4e83-ad4e-2e66265723f0.png?v=1776437353","url":"https:\/\/www.greatgages.com\/collections\/dial-bore-gages-copy.oembed","provider":"GreatGages","version":"1.0","type":"link"}