50690 Arc Abrasives Jet Wheel Mandrel,4" DIA

ARC Abrasives Jet Wheel Mandrel, Type: 4" diameter wheels or smaller - Used for all wheels 1/32" through 1/4" thick with either 1/4" or 3/8" hole, Size: 1/4" Shank Adapter; 1/4" Screw; 1/4" screw with 3/8" shoulder