Sea Dog Braided Nylon Dock Line - RedSea Dog Double Braided Nylon Dock Lines are made of 100% premium double braided nylon and feature a professionally spliced soft eye at one end. Yacht whipped at the bitter end and splice point. 3/8" and 1/2" diameter lines have a 12" eye length; 5/8" lines have a 15" eye length; 3/4" lines have a 18" eye length;