Resolution .00005″/0.001mm.
Measure the diameter of parts or cutting tools with odd grooves, such as tapes, reamers and end mills.
IP65 dust/waterproof. Button function: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off.
Ratchet stop.
Carbide measuring faces.
Supplied with setting standards.

Dynabrade 97570 1/2" NPT Female Safety Coupler
Dynabrade 95674 1/4" Female Coupler
Dynabrade 94990 1/4" Female Composite-Style Coupler with 1/4" Male Plug Assembly
Insize 7231, SCRIBER, 6928640320071
Standard Abrasives 530292, Zirconia Resin Fiber Disc, 7 in x 7/8 in 36, 7010310585 