The Diablo DCB318120S05G 4pk 3"x18" Sanding Belt 120 Grit is a set of five high-quality sanding belts designed for use with belt sanders. Made with durable Zirconia Alumina abrasive material, these belts offer fine sanding grade and are suitable for a variety of materials including wood, metal, and plastics. With a belt width of 3 inches and a length of 18 inches, these red belts are perfect for grinding and sanding applications. Manufactured by Diablo, a trusted brand in the industry, these sanding belts ensure smooth and efficient results.