Resolution: .0005″/0.01mm.
Supplied with three interchangeable points (flat, spherical, disk).
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
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505 