Diablo StickFast 5-In. 120-Grit ROS Sanding Discs, 5-Pack are for light stock removal and final sanding preparation before painting. These sanding discs are crafted from a premium ceramic grain blend, ensuring fast material removal and a long sanding life. They incorporate Clog-SHIELD technology, which reduces pitch build-up and clogging by using a special blend of grinding agents. The StickFast backing features an industrial-grade Pressure Sensitive Adhesive (PSA) that provides strong and secure bonding. Designed for use with orbital and dual action sanders, these discs work effectively on wood, metal, and plastics. Model Number: DCD050120P05G