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 2 in, Quick Change System TR, Series 987C, Maximum Operating Speed 25,000 RPM, Resistance Properties Tear, Color Orange, Package Quantity 50