Diablo Hook & Lock 5-In. ROS 220-Grit Sanding Discs, 50-Pack are for final sanding and surface preparation before staining or varnishing. Crafted from a premium ceramic blend, these discs fast material removal and extended sanding life. They feature a 12-hole universal hole pattern, ensuring compatibility with all 5 and 8 hole sanders for quick and easy alignment. The hook and lock backing allows for secure attachment and effortless removal, providing consistent performance. Designed with Clog-SHIELD™ technology to reduce pitch build-up and clogging, and ENDURA-BOND™ for a durable grit-to-backing bond, these discs are i for use with orbital and dual action sanders on wood, metal, and plastics. Model Number: DCD050220H50G