Made from 100% nylon twine yarns, this black netcoat treated twine (a. k. a. bank line) is resistant to abrasion, oil, gasoline, decay, marine environments, and most chemicals. The formulas we use to braid this twine have been developed to give just the right braid.Uses for this twine include trot line, decoy line, net making and mending, workshops, crafts, gardening, construction, and commercial applications. Any place where a high quality braided nylon twine is needed, this black braided twine will fit the bill. We are not responsible for injury or property damage in the use of any product that we sell.Rope tensile strength (the lb test rating) is for new rope under laboratory conditions. Safe working strength is generally 10% to 15% of the given tensile strength.