Scientific Anglers Mastery Tropical Jungle TitanTwo Size Heavy Line When youre knee deep in a clear jungle stream somewhere, you need the finest tools available in order to chase down the fish of your dreams. Whether its a radiant golden dorado or wickedly powerful bass, the Mastery Jungle Titan fly line will get the job done. Built for the harsh jungle environments, and designed to turn over the largest flies possible, this fly line just might make you King or Queen of the jungle. Designed for