Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Material Fiber, Backing Weight Not Rated, Coating Coverage Closed, Grade Extra Coarse, Grit 36, Overall Diameter 3 in, Quick Change System TR, Series 982C, Maximum Operating Speed 20, 000 RPM, Resistance Properties Water, Color Red. This item has been restricted from sale in the following state (s): []