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).

Insize PHT-C751-P, PENCIL(17PCS: 6B-9H), 6974029779879
3M 45190, Disc Pad Hub, 4-1/2 in 5/8-11 Internal, 7000045659 