Workpro 20-packs Flap Sanding Discs 4-1/2" Arbor Size 7/8" T29

Fiberglass backing plate creates a strong bond with adhesives, absorbs vibration, and ensures stable and efficient grinding without contaminating the working surface. Superior Performance for Any Job: Each 4-1/2" x 7/8" arbor size flap disc is compatible with angle grinder sanding discs and specifically designed for 4-1/2" grinding wheels.