The Extend-A-Line is designed to be mounted to 1 to 1-1/2 diameter exterior ladders with 9-5/8 to 10-1/8 spacing between upright tubing. VERSATILE CLOTHESLINE: The Extend-A-Line can be used as a swing arm drying bar, with each arm holding up to 10 pounds of laundry. 60 pound total hanging capacity. It can be easily installed on your RV, motorhome, or camper ladder as a folding clothes hanger or to a wall/post with the included mounting bracket. ADJUSTABLE: In addition to being a great clothesline, the Extend-A-Line can also be used as a swinging towel bar, and the arms can be adjusted to different spacing for added convenience. SPACE-SAVING DESIGN: The Extend-A-Line's compact and folding design makes it an ideal space-saving solution for RVs, motorhomes, campers and home locations where storage is limited. EASY INSTALLATION: The Extend-A-Line comes with all the necessary hardware to mount to your RV ladder, and can be easily mounted on any flat structural surface using the included mounting bracket. It can also easily be removed and stored when not in use. RUST-RESISTANT CONSTRUCTION: The Extend-A-Line is made with rust-resistant materials, ensuring it will withstand harsh weather conditions and last for many years as a swinging towel bar or swinging arm drying bar. MODEL NO - CL-12