Scientific Anglers Sonar Tropical/Jungle Custom TipCustom Cut Sinking Fly Line for Tropical Climates Fly anglers are nothing if not inventive. From splicing together lines to weighing coils on a digital scale, finding the perfect sinking line can be a chore. The SONAR Tropical Custom Tip sinking fly line makes all of that much, much easier. This cut to fit fly line allows you to slice off as much line as you need to fit everything from a 7 weight through a 15 weight. Cut to fit design lets you cut the