Mitutoyo's QuantuMike Coolant Proof Micrometer with SPC Output The QuantuMike provides faster measurements with 2mm per revolution instead of the standard 0.5mm per revolution. Specifications include... 3-4" / 75-100mm Measuring Range .00005" / 0.001mm Resolution .00005" Accuracy Features include... A patented ratchet thimble mechanism helps ensure repeatability A function lock helps prevent error IP-65 protection level Supplied in fitted plastic case With SPC Output Functions include... Origin-set, Zero / ABS, Hold, Function lock Auto power on/off , inch/mm conversion Alarm: Low voltage, Counting value composition error