Resolution: .0005″/0.01mm.
Measure height difference of two surfaces(1146-20B suitable for surfaces with barrier, such as rivet).
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032, data output
Made of stainless steel.
Optional accessory: data output cable.

3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 27313, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 60 grit, 7100187645, 10 per pack
3M 16201, PPS Disposable Lids, Mini, 200 Micron Filter, 25 lids per
case, 7000119741 