T-H Marine - Boating Essentials - Pre-Splice Nylon Dock Line - 3/8" X 25' - BE-CO-52821-DP 25' pre-slice nylon dock line from T-H Marine. This dock line is made of 100% UV-resistant nylon, which means weathering is no issue. 3/8" X 25' Pre-Splice Nylon Dock Line Safe Working Load 648 LBS Breaking Strength 3240 LBS UV Resistant 100% Premium Nylon with Spliced Eye