J1575 Flap Disc Abrasive Type Coated Abrasive Material Ceramic Grade Coarse Backing Plate Material Phenolic Connector Size 7/8 in Connector Type Unthreaded Hole Density Rating High Flap Disc Type Type 27 Overall Diameter 7 in Series Tiger Ceramic HD Backing Material Phenolic Grit 40 Maximum Operating Speed 8 600 RPM Color Red Features Performance Coated