Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Material Polyester, Backing Weight 3-Ply, Coating Coverage Closed, Grade Coarse, Grit 80, Overall Diameter 2 in, Quick Change System TS, Series Blaze R980P, Maximum Operating Speed 30,000 RPM, Resistance Properties Heat, Load, Color Orange, Package Quantity 25