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 26024, PPS Series 2.0 Spray Cup System Kit, Large (28 fl oz, 850mL), 200 Micron Filter, 7100134650
3M 01003, Scotch-Weld EPX Mixing Nozzle, Square Green, 48.5mL and 50mL, 7100148765
Standard Abrasives 877012, Unitized Mounted Point, 731 A21 x 1/4 in, 3M 7100074611
Standard Abrasives 708559, A/O Tapered Cone Point, K-110 320, 7010310893, 100 per case 
