Enhance your hauling adventures with the Yakima Set of 2 RoundBar Large 66-Inch Steel Roof Rack Crossbars. Crafted for durability, these crossbars feature robust steel construction, providing a dependable foundation for your gear across various adventures.The steel is vinyl-wrapped for added strength and corrosion resistance, ensuring your crossbars withstand the elements while maintaining a clean, pristine look. For compatibility with StreamLine towers, the RoundBar Sl Adapter (sold separately) allows seamless integration, merging classic design with advanced technology. These crossbars are easy to use, making loading and unloading effortless for all experience levels. Customize your setup with end caps, available separately or included with the RoundBar Sl Adapter and 1A Raingutter Towers, giving your roof rack system a polished finish.