Diablo Hook & Lock 5-In. ROS 120-Grit Sanding Discs, 15-Pack are for light stock removal and final sanding preparation before painting. Crafted from a premium ceramic blend, these discs provide fast material removal and a long 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 consistent, secure attachment and removal. Enhanced with Clog-SHIELD™ technology to reduce pitch build-up and clogging, and ENDURA-BOND™ for a durable grit-to-backing bond, these sanding discs deliver reliable performance on wood, metal, and plastics when used with orbital and dual action sanders. Model Number: DCD050120H15G