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.

3M 27717, Cubitron II Roloc Durable Edge Disc 984F, 80+, YF-weight, TR, Maroon, 2 in, Die R200P, 7100001473, 200 per case
Insize 1120-2001WL, DIGITAL INSIDE GROOVE CALIPER, 1.57-8"/40-200mm, built-in wireless, 6928640384820
Dynabrade 51731 .1 hp Straight-Line Pencil Grinder, 60,000 RPM, 1/8" Collet
3M 26015, PPS Series 2.0 Adapter, Type S8, 12 mm Male, 1.0 mm Thread, 7100135931
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613 