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 78320 3" Dia. x 1" W x 1/4" Shank, Medium, NWN DynaBrite Wheel, 10/pack
Dynabrade 78127 3" Dia. Medium NWN VT DynaBrite Locking-Type Disc, 25/pack
3M 97979, Hi-Strength 94 ET Cylinder Spray Adhesive, Clear, Large Cylinder (Net Wt 26.2 lb), 7000144615 
