✓ 100% Satisfaction Guarantee:Our products have passed quality inspection and there are very few defective products, so you can buy with confidence. However, there is no guarantee that 100% of the products are perfect. If you find a defect on the product, please contact us for a replacement. We value your experience very much!. ?Professional Finished?: The professional finishing of these 15 foot durable nylon ropes is outstanding. The rope has been professionally whipped and heat-treated at the end, ensuring no fraying or unravelling occurs. ?4 Dock Lines?:Each of the dock lines is 15 ft in length. The diameter is a respectable 1/2 inch thick and they come with a 12 inch eyelet at the end. As these are the most sought after measurements, this boat accessory is sold in a packs of 4 and is guaranteed for your boat docking solutions. ?Thicker&Stronger?: The double-braided nylon rope is double-braided which gives them the strength you need. The marine grade nylon has 24 super strong strands with a diameter of 1/2 inch. They are 15 feet in length and are recommended to tethering small to medium size boats that are no longer than 35 feet . ?Marine-Grade Boat Ropes ?: Secure your ship in severe weathering. Our superior marine quality double braided ropes are perfect for the job. They are ultra strong and will not fray. They can withstand all the negative effects of the environment, including the usual salt, mold, oil and UV rays. Heavy loads can easily be tethered without worry that the nylon rope will kink or rotate. Although the navy nylon rope is super strong, it will keep your boat's paintwork intact.