Threaded metal insert fits onto standard rotary sander or right angle grinder
Rigid hub provides firm support for fiber disc face plate
Versatile hub holds fiber disc face plates of all densities
Disc pad hub only—disc pad face plates and fiber discs sold separately
3M™ Disc Pad Hub has an internal threaded metal insert that threads onto the shaft of a sander and grinder to hold a disc pad face plate and fiber disc in place.