Resolution: .0005″/0.01mm.
Measure hole center distance in the same or offset planes.
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.

3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 35790, 675L, 1" X 120", 74u, Diamond Microfinishing Film Belts, 7010509196
3M 28476, Disc pad Hub, 2-1/2 in 5/8-11 Internal Low Profile, 7000045288
3M 27314, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 80 grit, 7100187643, 10 per pack
3M 04299 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Very Fine, 1/2 in x 24 in, 7000045944 