2Pc Forney 4-1/2 in. D X 5/8-11 in. Zirconia Aluminum Oxide Flap Disc 60 Grit 1 pc

The Forney 4-1/2 inch Type 29 Mounted blue zirconia Flap disc cut fast and outlast sanding discs 10-to-1. Multiple layers of zirconia cloth flaps constantly exposing new extra sharp grinding points. Laminated by state-of-the-art automated equipment. Reinforced fiberglass backing plate. Each disc balance tested for vibration-free grinding/finishing.