Diablo's premium 5 in. 60-Grit universal random orbital sanding (ROS) discs with Hook and Lock backing are designed to enhance performance, prolong sanding life, and increase productivity. These discs feature a high-quality ceramic blend that allows for faster material removal compared to other sanding discs, while also offering an extended lifespan. The inclusion of Diablo's unique Clog-SHIELD, a blend of grinding agents, helps to reduce loading and maximize productivity. Additionally, the superior Grit-to-backing bond, known as ENDURA-BOND, ensures that Diablo's sanding discs are exceptionally durable and long-lasting. These discs are designed with a universal hole pattern, making them compatible with both 5 and 8 hole sanders, allowing for fast and precise alignment. The premium hook and lock backing enables easy attachment and removal of the discs, ensuring a consistent and secure connection. The discs also feature a high-performance separate coating, Clog-SHIELD, which effectively reduces pitch build-up and clogging, further enhancing productivity. The specialized high strength resin, ENDURA-BOND, provides superior grit-to-backing bond, ensuring extreme durability. These sanding discs are suitable for use with orbital and DA sanders, and can be used on a variety of materials including wood, metal, and plastics. They are recommended for fast leveling, shaping, extra heavy removal, and stripping tasks. With Diablo's premium 5 in. 60-Grit universal random orbital sanding discs, you can expect exceptional performance, extended lifespan, and increased productivity for all your sanding needs.