This 20-piece set of abrasives is perfect for your metalworking needs. The 1/2" x 1-1/2" x 1/8" straight cartridge roll is designed for efficient and effective sanding and grinding. The 100 grit A/O abrasive is ideal for use on a variety of surfaces, making it a versatile addition to your tool collection. The roll is made by Standard Abrasives, a trusted brand in the industry. The cartridge roll type ensures long-lasting performance and easy installation. This product is suitable for use in spiral and cartridge rolls, sanding rolls, and other abrasive applications. Order now and take your metalworking projects to the next level!