Smaller diameter, higher break strength, the best wet knot strength available. Scientific Anglers Freshwater Nylon Tippet for fly fishing has been reformulated to ensure top performance in all phases. Up to 35% stronger than previous versions, this material also offers extremely low memory to assist with delicate presentations, plus high abrasion resistance to ensure its durability. True-to-spec sizing; 30-meter spool with cutter. Reformulated to ensure top performance Smaller diameter with higher break strength Up to 35% stronger than previous versions Highest wet knot strength available Extremely low memory Abrasion resistant True-to-spec sizing 30-meter spool with cutter