The 3M 33445 Cubitron II File Belt is a set of 10 high-quality dry abrasive belts designed for automotive and industrial applications. Made by reputable brand 3M, these belts are 1/2 inch wide and 18 inches long, providing ample length for various filing and sanding tasks. With a grit of 60, these purple belts offer medium-level abrasiveness, making them suitable for a range of file work. The product's size and quantity make it a convenient and durable choice for professionals in need of reliable shop supplies.