The 3M Cubitron II 33443 File Belts are 1/2" x 18" sanding belts with 36 grit in a purple color. This pack includes 10 belts, making them perfect for automotive and shop equipment sanding tasks. With the trusted 3M brand and high-quality construction, these belts are designed for durability and efficiency in various sanding applications. Ideal for precision sanding and smoothing, these file belts are a versatile and reliable choice for all your shop supplies needs.