Resolution: .0005″/0.01mm.
Measure diameter of grooves inside bores.
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

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 14010 Dynafile Abrasive Belt Tool Versatility Kit
Dynabrade 53549 3/8"-24 Female 1/2"-20 Male, 2" Length
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169 