This sander pad is compatible with the Ryobi random orbit sander listed below.
It is genuine Ryobi replacement part.
The pad features a durable foam body attached to a hard plastic backing plate.
It is a five inch diameter pad with a hook-and-loop style underside for use with Hook and Loop type sandpaper.
This pad has eight vacuum holes.
Hook and Loop sandpaper has become very popular over the past few years, because of the ease of changing sandpaper grits when needed.