H7335 Flap Disc Abrasive Type Coated Abrasive Material Ceramic Grade Coarse Backing Plate Material Phenolic Connector Size 7/8 in Connector Type Unthreaded Hole Flap Disc Type Type 29 Overall Diameter 4 1/2 in Series Tiger Ceramic Backing Material Phenolic Backing Weight X Grit 40 Maximum Operating Speed 13 000 RPM Features Performance Coated