Unique quick loading system for 4-1/2" angle grinders
Allows the ability to quickly attach a variety of versatile grinding, sanding, and finishing discs without the need for wrenches, resulting in very quick and easy changeovers
Functions as back-up support required when using the attachments
Provides support while also allowing some flexibility to finish contoured or curved surfaces
Will fit 4-1/2" and 5" angle grinders with a 5/8", 11 thread per inch external shaft size