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 94990 1/4" Female Composite-Style Coupler with 1/4" Male Plug Assembly
3M 26141, PPS Series 2.0 Adapter, Type S44, 3/8 Female, 19 Thread BSP, 7100158892
Insize ISR-C002-SBP, Small hole probe, 6928640385865
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613 