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 27310, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 120 grit, 7100187646, 10 per pack
3M 17085, Versaflo Hood with Integrated Head Suspension, S-433S-5, Small/Medium, 7000127431, 5 EA/Case
Dynabrade 78175 2" Dia., Coarse, NWN DynaBrite, TR Locking-Type Disc, 25/pack
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 16066, PPS Mix Ratio Inserts, Mini (6 fl oz), 7000120511 