T-H Marine - Boating Essentials - Premium Double Braid Dock Line - Black - 3/8" X 15' - BE-CO-52857-DP 15' premium double-braided dock line from T-H Marine. This dock line is made of 100% UV-resistant double-braided nylon for added strength and weather resistance. Black 3/8" X 15' Premium Double Braid Dock Line Safe Working Load 740 LBS Breaking Strength 3700 LBS UV Resistant 100% Premium Double Braided Nylon with Spliced Eye