Retrofittable to 3" and 3.4" diameter roller tubes 54" arm length ‚ shortest awning footprint with an 8' extension. Fits the gooseneck on 5th wheels. Self-leveling retraction with Memory Pitch Altitude exclusive: External pitch adjustments Includes wall switch and Carefree Connects Control System (901602) Roller assemblies sold separately. Requires a flat, unobstructed mounting area of 55" x 3". Arm sets cannot be used with rollers that have an existing metal wrap.