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

Insize 3127-E4, DIGITAL THREE POINTS INTERNAL MICROMETER, 3.5-4"/89-101mm, 6928640356391
3M 65055, Scotch-Brite Heavy Duty Hand Pad 7440, HP-HP, A/O Medium, 6 in x 9 in, 7100080459, 40/Case
Standard Abrasives 703470, A/O Tapered Cone Point, K-110 240, 7100166327, 100 per case 