The slickest and easiest way to load a kayak. Friction free design for super smooth loading. Requires additional pair of saddles. Smooth loading achieved with low friction, felt lined saddle. For use with Set To Go saddle. Fits Thule standard and Xsporter load bars, Yakima, and most factory installed racks. Maximum hull conformance and kayak support provided by large surface area saddle 6x more contact area than roller type. Includes one ratcheting tie down, strap and buckle protector. Additional tie down required for safe boat transport. Sold as a pair.