Resolution: .0005″/0.01mm.
Measure diameter of deep step holes.
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 94990 1/4" Female Composite-Style Coupler with 1/4" Male Plug Assembly
3M 19082, E-A-R Classic Plus Probed Test Plugs 393-2009-50, 50 EA/Case, 7000052880
3M 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case 