SPI Electronic Spline Micrometer This micrometer with its carbide measuring faces is designed to help you measure difficult applications like shafts, slots, and keyways. Spline Diameters: 0.118" / 3mm Features include... 0-1" / 25mm Measuring Range 0.00005" / 0.001mm Resolution 0.00016" Accuracy 0.250" Spindle Diameter ABS / Inch / Metric Measuring Ratchet Thimble Includes Standard Certificate of Calibration Furnished in fitted case
