Resolution: .0005″/0.01mm.
Measure groove diameter.
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

Insize 6566-3E, DIGITAL EDGE FINDER, Shank (A) 3/4" DIA, with Beeper, 6928640374876
3M 35827, Hookit Dust Extraction Flexible Sanding Block, 273 mm x 67 mm, 7100256623
Standard Abrasives 877008, Unitized Mounted Point, 731 B121 x 1/8 in, 3M 7010310349 