This 20-piece set of abrasives is perfect for your metalworking needs. The 3/4" x 1-1/2" x 1/4" straight cartridge roll with 240 grit A/O is ideal for sanding and grinding activities. The abrasives are made by Standard Abrasives, a trusted brand in the industry. The roll diameter is 3/4 inches, and the roll type is a cartridge roll. The roll length is 1-1/2 inches. The abrasives are suitable for use in spiral and cartridge rolls, sanding rolls, and other metalworking applications. Order now and get your hands on these high-quality abrasives for your metalworking projects.