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 01887 Drop-In Motor
Dynabrade 02064 Housing for Model 50004
Dynabrade 02553 Adapter
Dynabrade 82561 3/4" W x 18" L 60 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 11231 Contact Arm Ass'y, 3/4" Dia. x 1/2" W, Rubber Wheel, with 1/2" W Platen
Dynabrade 01295 Housing
Dynabrade 78236 Polishing Compound (Red Rouge)
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3M 20279, Disc Pad Holder 947TH, 7 in x 1 in x 5/8-11 Internal Black T Hook, 7000118602 