The Float Docking Rope has a builtin cord. It can be used as a shock absorber to absorb the maximum of tides or waves, protecting your boat and thus ensuring your safety. With its transparent PVC tubes at two ends, you can adjust the tightness of the Stretchable Cord to fit, making it convenient for fastening to a boat or . With its transparent PVC tubes at two ends, you can adjust the tightness of the Stretchable Cord to fit, making it convenient for fastening to a boat or .The cord inside of the Float Docking Rope acts as a builtin snubber, which can absorb the shock better, thus keeping you safe when you are anchoring. With its collision prevention function, this Elastic Boat Dock can well prevent any collision between the ship and the quays caused by the pulling, towing, and waves of the .Specification:Name: Dock Material: polyethylene, latex elastic rope, foam buoyancy tube, PVC transparent regulating tubeMaximum bearing strength: about 1000KG (2200LBS)Features: High elasticity, durability, boat mooring toolStretching length: about 1.2m1.5m/4ft5ft Weight: about 178gPacking List:Dock *1Notes:Due to the lighting effects and angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.Boat Dock Lines, Mooring Rope for Docking Stretches Mooring Boat Accessories Docking Ropes Dock Ties for Boats