Diablo Hook & Lock 5-In. 150-Grit ROS Sanding Discs, 50-Pack are designed to efficiently remove minor imions and provide smooth initial sanding between paint and stain coats. Crafted from a premium ceramic grain blend, these sanding discs deliver fast material removal while ensuring a long sanding life. Featuring a 12-hole universal hole pattern, they easily fit all 5 and 8 hole sanders for quick and precise alignment. The hook and lock backing allows for secure attachment and effortless removal, maintaining consistent performance. With Clog-SHIELD technology, these discs resist pitch build-up and clogging, while the ENDURA-BOND grit-to-backing bond enhances durability. I for use with orbital and dual action sanders, they work effectively on wood, metal, and plastics. Model Number: DCD050150H50G