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 45014, Diamond Grade DG3 Reflective Digital Sheeting 4090UDS, White, 30 in x 50 yd, 1 Roll/Case, 7100282804
3M 07044, Hood Assembly H-412/07044(AAD), with Collar and Hardhat, 7000002072, 1 EA/Case
Standard Abrasives 711436, A/O Tapered Cone Point, C-30 60, 7100151144, 100 per case 