Diablo's premium 5 in. 120-Grit universal, 12-hole random orbital sanding (ROS) discs with Hook and Lock backing are designed to enhance performance, extend sanding life, and increase productivity. These discs feature a premium ceramic blend that allows for faster material removal compared to other sanding discs, while also offering a longer sanding life. The innovative Clog-SHIELD, a unique blend of grinding agents developed by Diablo, reduces loading and maximizes productivity. Additionally, the superior Grit-to-backing bond, known as ENDURA-BOND, provides these sanding discs with exceptional durability and a longer lifespan. The premium ceramic blend used in these discs is a high-quality formulation specifically designed for fast material removal and extended sanding life. The discs also feature a unique 12-hole pattern, making them compatible with both 5 and 8-hole sanders, ensuring fast and precise alignment. The premium hook and lock backing enables easy attachment and removal of the discs, providing a consistent and secure connection. To further enhance productivity, these discs are coated with Clog-SHIELD, a high-performance coating that reduces pitch build-up and clogging. This coating ensures maximum productivity by preventing any hindrance during the sanding process. The specialized high strength resin, known as ENDURA-BOND, provides 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 for light stock removal and final sanding preparation before painting, these discs are a reliable choice for both professionals and DIY enthusiasts.