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

Dynabrade 59030 3-1/2" Dia. Non-Vacuum Dynorbital-Spirit Random Orbital Sander, 3/32" Orbit
3M 64803, Scotch-Brite EXL Unitized Mounted Point, W163 x 1/8 in 8A CRS, 3M 7010329842 
