Quick-Change Sanding Disc, Abrasive Type Coated, Abrasive Material Ceramic, Backing Material Fiber, Backing Weight Not Applicable, Coating Coverage Closed, Grade Not Applicable, Grit 36, Overall Diameter 4 in, Quick Change System TR, Series 987C, Maximum Operating Speed 12, 000 RPM, Color Orange, Package Quantity 25. This item has been restricted from sale in the following state (s): []