SPI Spline Micrometer Anvil and spindle have a small diameter for measuring splined shafts, slots and keyways. Features include... 0-1" Measuring Range 0.0001" Graduation + 0.0001" Accuracy 0.250" Spindle Diameter Carbide Face Measuring Faces: 0.118" Diameter x 0.200" Length Ratchet Thimble Lever Lock Certificate of Calibration Furnished in fitted case
