Resolution .00005″/0.001mm
IP65 dust/waterproof.
Buttons: on/off, set, inch/mm, ABS/INC.
Data output.
LR44 battery, automatic power off.
Ratchet stop.
Optional accessary: data output cable, setting ring (part no. 6313), micrometer stand and clamp (part no. 6301 and 6301-2).

3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285
Insize 7232, SCRIBER, 6928640320088
3M 45190, Disc Pad Hub, 4-1/2 in 5/8-11 Internal, 7000045659 