SuperBungee Black 12 in. Marine Cord with 1 Stainless Steel Carabiner Hook, 1 Looped End is the solution for securing your water gear and providing a convenient temporary or supplemental dock line to keep your watercraft safely in place. Designed for ease of use, this marine cord requires no knot tying and stretches up to 550%, extending from 12 inches to 56 inches to accommodate various needs. Crafted with annular-pleated circular braids made from 48 nylon yarns with a 3,750 Denier rating, it exceptional strength and durability over a thick internal elastic core. Both the exterior braid and internal elastic feature a UV and moisture-resistant coating, ensuring long-lasting protection against harsh environmental elements. I for transient dock line use on Class 2 boats and smaller vessels under 40 feet in protected waters, it helps prevent excess shock and collision impact to your boat and anchor points. use an adequate number and configuration of dock lines to maintain control of your watercraft, following any applicable laws or regulations. Model Number: 3679