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 7342-M4, PIN GAGE HANDLE (OPERATED WITHOUT WRENCH)15.89-19.00mm/0.626-0.750", 6940561971156
3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311 