Diablo 3 x 21-In. 120-Grit Sanding Belts, 5-Pack are for final sanding applications, delivering efficient and smooth results. Crafted from a premium zirconium grain blend, these sanding belts fast material removal and an extended sanding life. Featuring Clog-SHIELD technology, they reduce pitch build-up and clogging by using a special blend of grinding agents, ensuring consistent performance. The ENDURA-BOND backing is made with a high-strength resin that provides superior grain bonding and durability. These belts are designed for use with sanders on wood, metal, and plastics, making them versatile for various projects. Model Number: DCB321120S05G