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.

Dynabrade 78194 2" Dia. x 120 Grit A/O DynaCut Locking-Type Disc, 2 Ply Cloth, 25/pack
Dynabrade 78174 2" Dia., Extra Coarse, NWN DynaBrite, TR Locking-Type Disc, 25/pack
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 
