Superior Pads and Abrasives RSP28, 5″ Hook and Loop Sanding Disc with 8 holes. Standard hook and loop pad for use with 5″ discs. There are 8 dust collection holes to keep your work surface free of debris. This product is Disc only, sandpaper is not included. This high quality backing pad is a replacement pad and is specifically designed to fit many Milwaukee, Ryobi and Rigid sander models.