Flap Disc Abrasive Type Coated Abrasive Material Zirconia Alumina Grade Extra Coarse Backing Plate Material Plastic Connector Size 7/8 in Connector Type Unthreaded Hole Density Rating Standard Flap Disc Type Type 27 Overall Diameter 5 in Series Gemini R766 Backing Material Cotton Backing Weight X Grit P36 Maximum Operating Speed 12 000 RPM Color Blue Features Trimmable