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 01480 Vane Set (4pk)
Dynabrade 14230 Rubber Drive Wheel
Standard Abrasives 853152, GP Plus Wheel, 6 in x 1 in x 1 in 8S MED, 7000047115
Standard Abrasives 863299, Quick Change TR S/C Unitized Wheel, 632, 2 in x 1/4 in, 7010330149
Standard Abrasives 853853, GP Plus Wheel, 12 in x 2 in x 5 in 8S FIN, 7010367319 
