Diablo's premium 4-1/2 in. x 5-1/2 in. Clamp-On Sanding Sheets are designed to enhance performance, extend the lifespan of sanding tools, and increase productivity. These sheets feature a blend of aluminum oxide grit and ENDURA-BOND, which allows for efficient material removal while ensuring a longer lifespan for the sander. Specifically designed for use in 1/4 sheet palm sanders, these sanding sheets are suitable for all types of wood. The premium aluminum oxide blend offers superior quality and enables fast material removal and extended sanding life. The sheets are also equipped with Clog-SHIELD, a high-performance coating that reduces pitch build-up and clogging, maximizing productivity. The specialized high-strength ENDURA-BOND resin forms a reliable bond between the backing and grit, ensuring extreme durability. These sanding sheets are recommended for final sanding and surface preparation for stain/varnish. They are compatible with 1/4 sheet palm sanders and can be used on wood, metal, and plastics. Each pack includes six 4-1/2 in. x 5-1/2 in. 220-grit (ultra fine) clamp-on sanding sheets.