Resolution .00005″/0.001mm.
Measure the groove diameter of shafts and keyways.
Non-rotating spindle.
Button function: on/off, set, inch/mm, ABS/INC
Data output. LR44 battery, automatic power off.
Ratchet stop.
Supplied with setting standards (except 0-1″/0-25mm).

Insize 4807, ANGLE GAGE SET, 6928640319341
3M 45097, Roloc Disc Pad TR, Extra Hard 2 in 1/4-20 Internal, 7000045284
Dynabrade 50321 4-1/2" Dia. Pistol Grip Disc Sander, Rear Exhaust, .7 HP, 11,000 RPM, 5/8"-11 Thread
3M 77737, ROLOC DISC PAD TS AND TSM, EXTRA HARD, 3 IN 1/4-20 INTERNAL, 7010299209
3M 28476, Disc pad Hub, 2-1/2 in 5/8-11 Internal Low Profile, 7000045288 