Railblaza C-Tug Double up Bar inc 2 x 2.5m x 38mm strapsThe Double Up Bar allows you to assemble 2 x C Tugs together spreading the load and allowing you to carry heavier kayaks or boats The bar is a specific length to keep the wheels close together allowing the double cart to be turned easily. Once loaded and balanced no lifting is required, all you have to do is pull it. Works with the standard C Tug & C Tug SandTrakz 2 x 2. 5m x 38mm straps