Diablo 5-In. 180 Grit ROS Hook & Lock Sanding Discs, 4-Pack are designed to efficiently remove minor imions and perform initial sanding between paint and stain coats. Crafted from a premium ceramic grain blend, these sanding discs provide fast material removal and a long sanding life. The hook and lock backing allows for easy attachment and removal, ensuring a secure and removable connection. Featuring Clog-SHIELD technology, these discs reduce pitch build-up and clogging, while the ENDURA-BOND grit-to-backing bond enhances durability. Suitable for use with orbital and DA sanders, they work effectively on wood, metal, and plastics. Model Number: DCD050180H04G