3M™ Wetordry™ 401Q paper-backed abrasive sheet 3M™ The 3M™ Wetordry™ 401Q paper-backed abrasive sheet is designed to deliver exceptional performance in various environments. Its unique design allows for both dry and wet sanding, making it ideal for applications such as sanding painted surfaces, preparing metals before finishing, and polishing delicate surfaces. Frequently used in body shops, DIY projects, and the furniture industry, this abrasive sheet ensures smooth, high-quality results. Learn more