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.

Insize 4807, ANGLE GAGE SET, 6928640319341
3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311 