The 3M Cubitron II 33443 File Belts are high-quality sanding belts designed for precise and efficient sanding tasks. With a 1/2" x 18" size and 36+ grit, these purple belts are perfect for a variety of automotive and workshop applications. Made in the United States by trusted brand 3M, this box of 10 belts ensures you have plenty on hand for your sanding needs.