This part is an OEM part from Ryobi. The wire clamp is compatible with the S605D8 1/4 Sheet Sander W/Dust Collector and the S605D 1/4 Sheet Finish Sander. This component is fitted onto the platen, helping to hold the sandpaper. The wire clamp is sold individually. A screwdriver is needed in the replacement.
It is an original manufacturer supplied replacement item and is sold individually. This ball bearing is sealed on both sides. Ball bearings are made to reduce friction between two rotating parts. Because they experience constant pressure they would need to be checked and replaced periodically to ensure top performance. Please check diagrams for correct location and application of this bearing.