Resolution .0005″/0.01mm
Measure grooves and recesses.
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143, for caliper with e=.63″

Dynabrade 78305 1-1/2" Dia. x 1" W x 1/4" Shank, 80 Grit, A/O DynaCut Flap Wheel, 10/pack
3M 25810, Bumpon Protective Products SJ61A3 Black, 10,000/Case, 7000049252 