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 ISM-DL520, MOTORIZED FOCUS STACKING MICROSCOPE (WITH DISPLAY), 24.5X~204.5X, 6974029777080
3M 00494, Dynatron Dynalite w/ CAP, 494D, 1 gal, 7100142853
Standard Abrasives 710130, A/O Tapered Cone Point, C-30 120, 7100116601, 100 per case 