Diablo 4-1/2 x 5-1/2-In. 220-Grit Palm Sander Sanding Sheets, 6-Pack are for final sanding and surface preparation before applying stain or varnish. These sanding sheets are crafted from a premium aluminum oxide blend that ensures fast material removal and a long sanding life. They include Clog-SHIELD technology, which reduces pitch build-up and clogging by using a special blend of grinding agents. The ENDURA-BOND backing features a high-strength resin that provides grain bonding and durability. Designed for use with 1/4 palm sanders, these sheets work effectively on wood, metal, and plastics. Model Number: DCS045220S06G