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 50855 - 7-1/4" (184 mm) Disc Pad, Screw Mount
Dynabrade 97570 1/2" NPT Female Safety Coupler
Dynabrade 64671 Replacement Class II Pleated Panel Filter Cartridge 