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

Dynabrade 01460 Exhaust Cover,R.E., No Groove
3M 73546, Polyimide Film Tape 5413, 18 in x 36 yd, 7000028910
3M 05285, Adhesive Transfer Tape 950, Clear, 24 in x 60 yd, 5 mil, 7000028862
Dynabrade 11018 Spacer
Dynabrade 01606 Air Control Ring 