Diablo StickFast 5-In. 40-Grit ROS Sanding Discs, 5-Pack are designed for fast leveling, shaping, extra heavy removal, and stripping tasks. These sanding discs are crafted from a premium ceramic grain blend, ensuring rapid material removal and extended sanding life. They incorporate Clog-SHIELD technology, which helps reduce pitch build-up and clogging through a special blend of grinding agents. The StickFast backing features an industrial-grade Pressure Sensitive Adhesive (PSA) that provides a strong and secure bond. These discs are compatible with orbital and dual action sanders and can be used effectively on wood, metal, and plastics. Model Number: DCD050040P05G