3/8" Dock Lines 15FTMade from marine grade double braided nylon that is ultra strong and durable. Our 3 8" thick boat dock lines are 15 feet long with a 12 inch professionally whipped and heat treated eyelet at one end. This premium grade marine nylon rope provides superior shock absorption and elasticity to secure boats in high waves and rough weather. Sun, salt and water resistant to last for seasons. Try them risk free for 30 days love them or get your money back!