Flap Disc, Abrasive Type Coated, Abrasive Material Ceramic, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 5 in, Series 969F, Backing Material Polyester, Backing Weight YF, Coating Coverage Closed, Grit 60, Maximum Operating Speed 12,000 RPM, Color Maroon, Features Performance Coated, Resistance Properties Load