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).

3M Cubitron 3 Fibre Disc 1182C, 60+, 9-1/8 in x 7/8 in, Die 912J, 100 ea/Case, 7100349565
3M 82975, Roloc D/F Cool Running Disc Pad TR, 3 in 1/4-20 Internal, 7010309116
3M 45179, Roloc Disc Pad TR, Medium 4 in 1/4-20 Internal, 7000045281
3M 85492, Scotch Foil Tape 3311-10A, 2.0 in x 10 yd (50.8 mm x 9,1 m), 7010383663 