Mitutoyo Quickmike Micrometer The Quickmike provides a speedy spindle feed of 10mm / .4" per thimble rotation as compared to the conventional micrometer with 0.5mm / .025" per rotation. Its wide 30mm / 1.2" measuring range allows various workpieces with different shapes to be measured quickly. Specifications include... 1-2.2" / 25.4-55.88mm Measuring Range 0.00005" / 0.001mm Resolution + 0.0001" Accuracy Features include... Non-rotating spindle and the new ratchet friction thimble Speedy spindle feed of 0.4" / 10mm per revolution With absolute linear scale IP54 dust/water protection With SPC data output Supplied in fitted plastic case.