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 12953, Scotch-Brite Roloc Surface Conditioning Disc, SC-DR, A/O Medium, TR, 4 in, 7100007035, 100 per case
3M 22916, Scotch-Brite Cut and Polish Flap Brush, 16 in x 2 in x 10 in 7A MED, 7010299327, SPR 018708E
Standard Abrasives 875001, Buff and Blend Flap Brush, 6 in x 1 in x 2 in FB048 20-71 A MED Medium Density, 7010301227
3M Flatback Tape 2517, Medium Brown, 18 mm x 55 m, 6.5 mil, 48Rolls/Case, 7000088499
Standard Abrasives 708756, A/O Tapered Cone Point, K-110 120, 7100139933, 100 per case 