Diablo's premium 5 in. 100-Grit universal, 12-hole Random Orbital Sanding (ROS) discs with Hook and Lock backing offer a range of breakthrough innovations that greatly enhance performance, extend the lifespan of the sanding discs, and increase overall productivity. These discs feature a premium ceramic blend that allows for faster material removal compared to other sanding discs, while also providing an exceptionally long sanding life. Diablo's own blend of grinding agents, known as Clog-SHIELD, effectively reduces loading, maximizing productivity. Additionally, the superior Grit-to-backing bond, known as ENDURA-BOND, ensures that Diablo's sanding discs have a longer lifespan and extreme durability. The premium ceramic blend is a high-quality formulation specifically designed for rapid material removal and extended sanding life. The unique 12-hole pattern of the discs allows for a 1-size-fits-all design, making them compatible with both 5 and 8-hole sanders. This design ensures fast and precise alignment during sanding. The premium hook and lock backing enables repeated attachment and removal of the discs, providing a consistent and secure connection. To further enhance productivity, the discs are coated with Clog-SHIELD, a high-performance separate coating that effectively reduces pitch build-up and clogging. This coating ensures maximum productivity by preventing any hindrances during the sanding process. The specialized high strength resin, known as ENDURA-BOND, provides a superior grit-to-backing bond, resulting in extreme durability. These sanding discs are suitable for use with orbital and DA sanders, making them versatile for various applications. They can be used on materials such as wood, metal, and plastics. Recommended use includes moderate stock removal and sanding preparation before painting. With Diablo's premium 5 in. 100-Grit universal, 12-hole Random Orbital Sanding discs, you can expect exceptional performance, extended lifespan, and increased productivity for all your sanding needs.