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 4120-24N, METRIC THREAD RING GAGE, NO GO, M24x3, 6928640341847
Dynabrade 14360 Pneumatic Pipe Belt Finisher 