Resolution .0005″/0.01mm
Measure diameter of grooves inside deep holes
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 17364, High Capacity Battery TR-332, for Versaflo TR-300 PAPR, 7000052903, 1 EA/Case
3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 27257, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 180 grit, 7100188462, 5 per pack 