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, for calipers with c=.630″), data output cable

3M 28795, Finesse-it Polish Standard Series, 28795, 120, Purple, 8 oz, 4 ea/Case, 7010361136
Standard Abrasives 875701, HS Mini-Brush, 4-1/2 in x 4 in x 5/8-11 FB024 35-74 A MED Medium Density, 7100082651
Dynabrade 95848 Dynabrade Gear Oil
3M 06875, Floor Surfacing Rolls, 8 in x 25 yd, 20 grit, 7010401383
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case 