Resolution: .0005″/0.01mm.
Measure diameter of grooves inside bores.
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 15101 Tension Arm (for Mini Dynafile II)
Dynabrade 54705 Rotor/Vane Set
3M 16353, Test Hood FT-14, 7000051788, 10 ea/Case 