This dock line rope is made of double bradied nylon and nylon absorbs shock and will resist damaging cleats on your boat and on your dock. The combination of high-grade marine nylon, special torque-balanced construction and a unique stabilization process produces a long-wearing, easy-to-handle line that resists kinking. Our Double Braid line offers controlled elongation and excellent abrasi. Very little degradation from sunlight, so it can be used outside over long term is inspected regularly. Tensile capacity is 8,000lbs. Red in color. Dimensions: 1/2 inch in diameter x 20 feet L. 1 per package.