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 
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