Flap Disc, Abrasive Type Coated, Abrasive Material Ceramic, Grade Medium, Backing Plate Material Phenolic, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 7 in, Series Tiger Ceramic, Backing Material Phenolic, Backing Weight X, Grit 80, Maximum Operating Speed 8,600 RPM, Features Performance Coated