Open your door without the worry of damaging your awning. Camco's RV Awning Door Roller mounts directly on your door to protect your awning from wear and tear. Innovative roller-ball design rotates 360 Degree to follow the arch of the door. Includes Screen Door Slider and mounting hardware. *Protect our RV's awning from rips and tears that can be caused by the sharp corners of your doors *Mounts directly to the RV door *Innovative roller-ball design rotates 360 Degree to follow the arch of the door *Includes Screen Door Slider and mounting hardware *Works with round or square doors