The Ryobi Corner Cat Replacement Scrubber Pads are compatible with the Ryobi P400 ONE+ Corner Cat and the Ryobi CFS1503K Corner Cat Finish Sander. With a variety of three pads including a light-duty scrubbing pad, heavy-duty scrubbing pad and a polishing pad, the Ryobi Corner Cat Replacement Scrubber Pads are the solution for your sanding and finishing needs.