Sheet Sanding 9x11in 60g 4pk 9" X 11" 60 Grit Diablo Sanding Sheet Premium aluminum oxide blend - a superior quality formulation designed for fast material removal and long sanding life Clog-SHIELD, a high performance stearate coating reduces pitch build-up and clogging for maximum productivity ENDURA-BOND, a specialized high strength resin provides superior grit-to-backing bond for extreme durability Recommended use - fast leveling, shaping, extra heavy removal and stripping. For use with 1/4 sheet palm sanders, 1/2 sheet sanders and hand sanding in wood, metal, and plastics.