Drywall Sanding Disc, Abrasive Material Aluminum Oxide, Abrasive Mount Type Hook and Loop, Abrasive Shape Disc, Abrasive Type Coated, Backing Material Cloth, Backing Weight C, Coating Coverage Open, Color Maroon, Compatible Manufacturer Model Number BNR1837, BNR1839, Grade Medium, Grit 120, Number of Vacuum Holes 8, Overall Diameter 9 in, Product Type Abrasive for Drywall Sanders, Series SDR9, Package Quantity 10