Superioe Electric RSP28 5" Hook and Loop Sanding Disc. Hook and loop disc for use with 5 inch sanders. Standard hook and loop pad (Velcro) for use with 5" discs. 8 dust collection holes to keep you work surface free of debris. Disc only, sandpaper not included. This part is compatible with: Milwaukee: 6021-21 (SER B19A) 5" Random Orbit Palm Sander Ryobi: RS240, RS241, RS280, RS2418, RS280VS Rigid: R2600, R2601