Flap Disc Abrasive Type Coated Abrasive Material Ceramic Grade Coarse Backing Plate Material Plastic Connector Size 7/8 in Connector Type Unthreaded Hole Density Rating High Flap Disc Type Type 27 Overall Diameter 5 in Series Elite MAXTRIM Backing Material Cotton/Polyester Backing Weight YF Grit 80 Maximum Operating Speed 12 200 RPM Features Trimmable