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.

Insize 4120-18N, METRIC THREAD RING GAGE, NO GO, M18x2.5, 6928640341816
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
Standard Abrasives 726007, A/O C3 Straight Precision Cartridge Roll, 13/16 in x 2-1/2 in x 1/4 in 80, 7100098783
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 85492, Scotch Foil Tape 3311-10A, 2.0 in x 10 yd (50.8 mm x 9,1 m), 7010383663 