Firepower Flap Wheel 1 In. x 1 In., 80 Grit Bonded Abrasive 0.25-in 80-Grit Flap DiscMax speed 25,000 RPM Constructed of hundreds of resin bonded cloth abrasive sheets firmly attached to a balanced core During use, each flexible sheet adapts quickly to the contours of the workpiece continuously exposing fresh, sharp grit for extended product life The controllable aggressiveness, working speed, and low cost of the wheels make them superior to wire brush, grit impregnated plastic, fibrous and setup wheels in a wide range of applications