Resolution: .0005″/0.01mm.
Measure width and distance of groove inside bores
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: data output cable

Dynabrade 95745 1/4" NPT Speed Regulator
Insize 6143, DEPTH STOP FOR CALIPERS, 6928640371301
3M 28713 ROLOC DISC PAD TR, HARD 4 IN 5/8-11 INTERNAL, 7010298961
3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male 