Resolution: .0005″/0.01mm.
Measure groove diameter.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143), data output cable

3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
Dynabrade 98265 3/8" Female Coupler with 3/8" Male Plug Assembly
Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
Standard Abrasives 877008, Unitized Mounted Point, 731 B121 x 1/8 in, 3M 7010310349 