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 33439, Cubitron II File Belt, 33439, 60+, 10 mm x 330 mm (3/8 in x 13 in), 7100033194, 10 belts per carton, 5 cartons per case
3M 81755, Trizact Cloth Belt 237AA, A100 X-weight, 1/2 in x 18 in, Film-lok, Full-flex, Scallop A, 7000148146, 200 per case
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505 
