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

Dynabrade 77760 4-1/2" Dia. x 7/8" Center Hole, 120 Grit, Z/A, Type 27, DynaCut Flap Disc W/Fiberglass, 10/pack
Insize 4209-4, LONG HANDLE TELESCOPING GAGE, 1-1/4 ~ 2-1/8", 6928640311567
3M 08749, High Bond Rearview Mirror Adhesive, 0.02 fl oz, 7010364470, 12 per case 