Full Circle Flex Edge 2.0 Sanding SheetsFlex Edge 2. 0 designed to complement the Radius360. Easily handles a variety of sanding challenges with everything you need to take on the corners, tight angles, outlets, bumps, and more. The all in one foam rubber replacement pad has added core pressure to eliminate and prevent binding and stuttering to ensure a faster, higher quality finish. Non Flip Design for a flawless finish Abrasive clips for holding abrasive paper and sanding screens Rubber