Ryobi Electric Tools 089170109121 Planer Jointer Rear Outfeed Roller is used to support smooth material feeding through compatible planer jointers. This replacement rear outfeed roller works by gripping and guiding the workpiece as it exits the cutting area, helping maintain steady movement during operation. A properly functioning roller supports consistent material flow, reduces slip... https://www.wholetoolbox.com/ryobi-electric-tools-089170109121-planer-jointer-rear-outfeed-roller/089170109121.html