Resolution: .0005″/0.01mm.
Measure depth of small groove and hole, also measure depth of tire tread.
Buttons: on/off, zero, inch/mm.
Supplied with zero set surface.
Automatic power off, move the digital unit to turn on power.
Battery CR2032, data output.
Made of stainless steel.

Dynabrade 78581 1/4" Dia. x 1" W x 1/8" Center Hole, 120 Grit, 100/pack
3M 83678, Stikit Finishing Film Disc, 5 in, P600 grade, 7010298821
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M 04020, Mini Mandrel 935, 2-7/8 in x 1/4 in, 7100009221 