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 34554, Cubitron II Net Sheet Roll, 220+, 80 mm x 10 m, 7100247496, 6 Rolls/Case
3M 44495, Diamond Grade DG3 Reflective Digital Sheeting 4091UDS,Yellow, 48 in x 50 yd, 1 Roll/Case, 7100273873 