Norton® coated sandpaper sheet, series: K622, 11 in length, 9 in width, 100 grit, medium grade, emery abrasive, cloth backing, closed coat, applicable materials: 300 series stainless, aluminum, brass, bronze, fiberglass/composites, hard carbon steel, hardwood, soft carbon steel, softwood and glass, charcoal, j-weight backing weight. Saint-Gobain Norton® 07660701309 K622 Coated Sandpaper Sheet, 11 in L x 9 in W, 100 Grit, Medium, Emery Abrasive