4 Pack – 4-1/2″ x 5/8″-11 Resin Fiber Disc Backing Pad with Lock Nut for Grinder

The rigid plastic backing pad are lighter than the rubber alternative and can be used at higher RPM. Each backing plate includes a lock nut. Abrasive Drums. Resin Fiber Discs. Flap Discs. Mounted Flap Wheels.