The 3M 405N 280 Grade sanding sheets are a high-quality product designed for automotive use. With a size of 3-2/3 x 9 inches and 400 sheets included, these sanding sheets provide ample material for various sanding tasks. The dry design allows for efficient and effective sanding, making them a reliable choice for auto mechanics and car enthusiasts looking to achieve professional results. Made by the trusted brand 3M, these sanding sheets are a valuable addition to any workshop or garage.