Resolution .0005″/0.01mm
Measure diameter of grooves inside deep holes
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: data output cable

3M 01059, Hookit Gold Film Disc 255L, 5 in x NH, 5 Hole, P320, D/F, Die 500FH, 7000119439, 100 discs per box 