Gen3 Marine Double Braid 38 x 15 Black Reflective Black Dock Line with Spliced Eye - 4 Pack Use Gen3 Marine Premium Double Braided Dock Line to secure your boat at the dock. This durable line is made of 100 double braid nylon that is mildew, rot, and chemical resistant. Available in various sizes, this dock line comes with a professionally spliced 12 eye at one end. Gen3 dock line comes in a variety of colors that are a direct match for Gen3 fender line. This dock line features reflective strips