The CA-BELT-AL 4 X 36 50G PK10 from Field Tool Supply includes ten aluminum oxide sanding belts, each measuring 4 inches by 36 inches. These belts are designed for use with belt sanders and are ideal for sanding, shaping, and finishing wood, metal, and plastic surfaces. The 50-grit rating provides a balance between material removal and surface finish, making them suitable for a variety of applications. Constructed with a durable backing, these belts ensure longevity and consistent performance, making them a must-have for any workshop.