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 78602 1/2" Dia. x 1" W x 1/8" Center Hole, 60 Grit, 100/pack
Dynabrade 92209 1/8" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
3M 54762, SandBlaster Quick Change Hub for Right Angle Grinder 9675, 4.5 in, 7010301728 