J1574 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 High Flap Disc Type Type 27 Overall Diameter 7 in Series Tiger Ceramic HD Backing Material Phenolic Grit 60 Maximum Operating Speed 8 600 RPM Color Red Features Performance Coated