Resolution: .0005″/0.01mm.
Measure hole center distance in the same or offset planes.
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 3128-4, DIGITAL WIDE RANGE THREE POINTS INTERNAL MICROMETER, 2.8-4"/71-101mm, 6928640356674
Standard Abrasives 726001, A/O R8 Straight Precision Cartridge Roll, 1/2 in x 1-3/4 in x 1/4 in 100, 7100098772
3M 22392, Roloc Disc 361F, 24 YF-weight, TR, 3 in, Die R300V, 7000045090
3M 64283, Cubitron II Stikit Film Disc 775L, 220+, 5 in x NH, Linered w/Tab, Die 500X, 7100075692, 250 per case
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169 