Forney 71992 Flap Disc, 4 in Dia, 5/8 in Arbor, 60 Grit, Medium, Zirconia Aluminum Abrasive, Fiberglass Backing

Blue zirconia flap discs cut fast and outlast sanding discs 10 to 1. Great flexibility. Ideal for rough or fine finishing. 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 is balance tested for vibration-free grinding/finishing. Designed for grinding, blending, sanding and finishing on a wide-range of materials.