For attaching a variety of polishing products. Velcro backing. 5/8"-11 thread
The RTC Products 4″ Ridged Hook & Loop Backer Pad offers a solution for interchangeable polishing sets. The Hook & Loop design is a universal fit for any Velcro back sandpaper, Diamond polishing pads, and felt wheels.
For attaching sandpaper, Diamond polishing pads, and felt wheels Velcro backing 5/8″-11 thread fits most 4″ and 4 1/2″ angle grinders and wet polishers