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.

3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH5120TRI-10I, 5 inch UH, 120, 7100202873, 10 per pack
Insize VSP-201-R200, ADJUSTABLE SUPPORT, diameter , 2.36"~7.87", 6940561941340
3M 10116, Synthetic Steel Wool Pads, 10116NA, #2 Medium, 2 in x 4 in, 7000047708
3M 88741, Hookit Center Water Feed Disc Hand Pad, 2 in x 5/8 in, 7000045712
3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686 