Kwik Tek AIRHEAD AHDL-4 Bungee Dockline Absorbs shock to boats, cleats, docks, pylons and other hardware Bungee cord is hidden inside the rope and acts as a built-in snubber Two foam floats protect the boat from chafing and 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 4 feet in length, stretches to 5 1/2 feet