Resolution: .0005″/0.01mm.
Measure groove diameter.
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

3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
Insize 4112-B8, INDIVIDUAL STEEL GAGE BLOCK, 8", grade AS-1, 6928640354014
Dynabrade 95675 1/4" Male Plug with 1/4" NPT Male Thread
Standard Abrasives 830071, Aluminum Oxide HP Buff and Blend Roll, Very Fine, 6 in x 30 ft, 7010368506
Standard Abrasives 711436, A/O Tapered Cone Point, C-30 60, 7100151144, 100 per case 