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 45190, Disc Pad Hub, 4-1/2 in 5/8-11 Internal, 7000045659
3M 27708, Cubitron II Roloc Durable Edge Disc 984F, 60+, YF-weight, TR, Maroon, 1-1/2 in, Die R150S, 7000045171, 200 per case 
