Resolution: .0005″/0.01mm.
Measure hole center distance in the same or offset planes.
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.

Dynabrade 51232 2" Dia. Right Angle Disc Sander, Central Vacuum, 20,000 RPM
Dynabrade 78861 Crimped Wire Radial Wheel Brush 2" Dia. x .0118 x 7/16" Steel
Dynabrade 97152 Screw
Dynabrade 90671 1/2" W x 30" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 96620 Motor Tune-Up Kit
Dynabrade 01893 Drop-In Motor
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953 