Resolution .0005″/0.01mm
Measure depth of small groove and hole.
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: data output cable

3M 27312, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 180 grit, 7100187640, 10 per pack
3M 32201, HoldFast 70 Cylinder Spray Adhesive, Clear, Mini Cylinder (Net Wt 8.5 lb), 7100138480 