Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Material Polyester, Backing Weight YF, Coating Coverage Open, Grade Extra Coarse, Grit 36, Overall Diameter 3 in, Quick Change System TR, Series 984F, Maximum Operating Speed 20, 000 RPM, Resistance Properties Wear, Color Maroon, Package Quantity 50. This item has been restricted from sale in the following state (s): []