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 15908, Scotch-Brite Roloc High Strength Disc, HS-DR, 2714175, A/O, Very Fine, TR, 3 in, 7010309326, 100 per case
Insize 7341-6S, PIN GAGE HANDLE (with 1pc handle and 6 pairs of collecting bushes), .281-.341", 6928640360671
3M 86518, Tartan Filament Tape 8934, Clear, 12 mm x 55 m, 4 mil, 7100009809, 72 rolls per case
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 