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 5313-S407, 3D MANUAL ROTATION MICROSCOPE (WITH DISPLAY), 6940561981360
Dynabrade 78586 1/4" Dia. x 1-1/2" W x 1/8" Center Hole, 180 Grit, 100/pack
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 