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 Cut and Grind Wheel, 89163, 36+, T27, 7 in x 1/8 in x 7/8 in (180 x 3.2 x 22.23 mm), ANSI, 20 ea/Case, 7100313588 