For all straight, flat sided RVs with Floorline to Awning Rail dimensions between 69" and 76". Executive, Pioneer, Super Coach, Kings Highway, Landau, Apollo, Pace Arrow, American Clipper, Honey and others. Main Arm Length: 61". Heavy-duty hardware Includes Optima Tension Rafter System. Heavy-duty Hardware can be ordered for any size 9000™ or 8500™ awning but is required for awnings 22' long and longer.