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 18350, Scotch-Brite Roloc Coating Removal Disc, CR-DR, SiC Extra Coarse, 18350, 3 in x NH, 7000046009, 40 per case
3M 45029, Diamond Grade Digital Reflective Sheeting 3924SUDS, Fluorescent Orange, 30 in x 50 yd, 1 Roll/Case, 7100282407
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle 