Scientific Anglers Sonar Stillwater SD Fly Line - S5/S7 - Charcoal and Black - WF7S
Scientific Anglers Sonar Stillwater SD Fly Line - S5/S7 - Charcoal and Black - WF7S, "The SONAR Stillwater Seamless Density lines are a unique departure from the traditional graduated density lines of years past. With a variety of double-density sinking rates and a smooth, seamless transition between each, the SONAR Stillwater Seamless Density lines provide straightline connections to subsurface flies, meaning you're in control of the fly every second it's in the water."""