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 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Standard Abrasives 707415, A/O Tapered Cone Point, K-110 80, 7010331324, 100 per case
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Standard Abrasives 877041, Unitized Mounted Point, 731 W163 x 1/8 in, 3M 7010301192 
