Flap disc with reinforced flat nylon backing and high quality ceramic abrasive. Additivated with coolant to ensure a cool cut even on materials such as stainless steel. Bi-lamellar execution, polyester backing. Disc designed for heavy-duty stock removal. Large sized and increased number of blades guarantee long blade life combined with the exceptional stock removal provided by the top quality ceramic granule. Ideal for heavy-duty use on all materials. Recommended for use on machines with adequate power.