Measure the groove diameter of shafts and keyways
Absolute encoder, the original data remains after power off
One turn of sleeve makes .2″ spindle feed
Measurement accuracy is not affected by the use of sleeve
Press the fork, the spindle retracts .12″
Linear ball bearings for ten million times use
Carbide spindle and anvil

Insize 3352-50A, HIGH PRECISION DIGITAL BLADE MICROMETERS/SNAP GAGE (with data interface), 25-50mm/1-2", .0002mm/.00001", 6940561982176
3M 06802, Hand-Masker Film Blade FB12, 12 in, (30.4 cm), 7100091214
3M 59803, Hand-Masker Film Blade FB12-SC, 12 in (30.4 cm), 7100200124 