The NEW 3M Stikit 20351 Low Profile Disc Backing Pad is a high-quality backing pad designed for sanding discs. With a 5" diameter and a 3/8" thickness, this backing pad is suitable for a variety of sanding applications. The low profile design allows for better access to tight spaces and corners, providing a smooth and consistent finish. The 5/16-24 EXT thread size ensures compatibility with a wide range of backing pad screws, making it a versatile option for various industrial projects.