Flap Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Plate Material Plastic, Connector Size 7/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series YP2079W, Backing Material Plastic, Grit 60, Maximum Operating Speed 13,300 RPM, Features Trimmable