Enhancing the versatile nature of your wagon, SUV, or crossover, the Yakima TimberLine Raised Rail Tower System effortlessly mounts to your vehicle's factory rack with raised side rails. The TimberLine Tower System works with Yakima's JetStream, CoreBar, and RoundBar crossbars for a sleek, ultra robust carrying interface. Stainless steel construction offers dependable strength when you're carrying heavy loads, accommodating up to 165 pounds in weight. Suddenly, traveling with multiple bikes, kayaks, skisboards, and rooftop carriers is incredibly easy with the peace of mind afforded by this advanced rack interface. And to deter theft, the TimberLine Tower System is compatible with Yakima's SKS sold separately, which locks with a single key for maximum convenience.