Outside Micrometer Features:

– Manual power on/off
– .3-1.3″, (to-76mm) Grad. .0005″, .01mm
– 3 – 1/2 Deep Throat
– Metric/Inch system interchange at any position
– Zero setting at any position
– With data output interface
– Measures thickness of inside groves
– Fitted in a plastic box

GearWrench 3745 Electronic Digital Rotor Micrometer