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

Insize ISP-Z3015-LENS50X, 50X lens with half-reflection mirror, 6928640322549
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 