HEAD Bungee Dock Lines absorb shock to boats, cleats, docks, pylons and other hardware. The bungee cord is hidden inside the rope and acts as a built-in snubber. Two foam floats protect the boat from chafing. There"s a sliding adjustment at both ends for quick docking. Recommended for docking boats and PWC"s up to 4,000 pounds. Tensile strength is 2,150 pounds. Black/Blue/Red