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).

Dynabrade 30429 Housing for Model 51306
Dynabrade 01894 Drop-In Motor
Dynabrade 98276 - 1/2" Male Coupler with 1/2" Female Plug Assembly
Dynabrade 89242 3-1/2" W x 15-1/2" L Medium NWN DynaBrite Premium Belt
3M 28473, Roloc D/F Cool Running Disc Pad TR, 4 in x 5/8-11 Internal, FIN, 7000144107 