Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Plastic, Connector Size Not Applicable, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 2 in, Quick Change System TS, Series BlueFire R884P, Backing Material Cotton, Backing Weight Y, Coating Coverage Semi-Open, Grit P36, Maximum Operating Speed 30,000 RPM, Color Blue