Mitutoyo Depth Micrometer Interchangeable rods, with lapped measuring end, provide a wide measuring range. The rod length can be interchanged in 1" increments. With ratchet stop for constant force. With measuring rod clamp. Supplied in fitted plastic case. Features include... 0-4" Measuring Range .001" Graduations 2.5" Base 4 Interchangeable Rods Please select Calibration Option from pull down menu. Standard Calibration from Mitutoyo takes about 3-4 Weeks to ship after receipt of order. 5-Day Calibration from Mitutoyo ships out in 1 Week after receipt of order. 1-Day Calibration from Mitutoyo ships out in 1 Day after receipt of order. INCLUDES CERTIFICATE OF CALIBRATION TRACEABLE TO NIST. Mitutoyo now is offering their most popular gages with an ISO/IEC 17025 Accredited Certificate of Calibration that is traceable to NIST. These calibrations are performed at Mitutoyo America's A2LA Accredited Calibration Laboratory in Aurora, Illinois. The Open Date Put Into Service is to be filled out by the end user when the gage is first used. The lead time on this gage is approximately 3 - 4 weeks to ship after receipt of order.