Please note that this pad is a functional equivalent, meaning it may look slightly different from the original part while maintaining the same level of performance. As a universal pad, it fits most sanders with 5" diameter, 8 dust holes, and 4 screw holes. Before making a decision, please ensure that the distance between the screw holes center to center and the screw holes' diameter match your sander's specifications. Experience hassle-sanding with the built-in mounting thread, which allows for quick installation and increases the grip of abrasive papers. This ensures precise and efficient sanding, preventing any damage to disc holders. With its reliable performance, this sander pad guarantees a smooth and polished result every time. Upgrade your sanding tool today with the Universal Sander Pad and enjoy a seamless and efficient sanding experience. ★【COMPATIBILITY】:The 5" Hook & Loop sander backing pad is a pad for Ryobi #300527002 and is with Ryobi RS290, RS241, RS240, RS280/RS280VS, RS281VS, P411 Random Orbit Sander. ★【NOTICE】: As a universal pad, if your sander is not mentioned, before you make decision, please DO CHECK if it fits your sander baesd on these information: 5" dia, 8 dust holes and 4 screw holes, especially the distance bewteen screw holes center to center and the screw holes' dia. ★【FUNCTIONAL EQUIVALENT】: While the appearance may differ, this pad is a functional equivalent to the original part, providing the same level of performance and reliability. ★【EASY SCREW-ON INSTALLATION】:The sander pad features a built-in mounting thread, allowing for quick and hassle-installation. This secure attachment ensures increased grip for abrasive papers, enhancing your sanding experience. ★【PREVENT DAMAGE】: With its high-quality construction, this sander pad prevents damage to disc holders, providing a smooth and polished result. Its easy attachment mechanism ensures a secure fit, allowing you to work confidently.