Scientific Anglers Frequency Full Sink Fly Line - Dark Green - Sink 3The Scientific Anglers Frequency Full Sink Fly Line Dark Green is built for still water anglers who want reliable depth control, smooth casting, and excellent presentation below the surface. Designed for fishing lakes and ponds, this full sinking fly line helps you get streamers and wet flies into the strike zone quickly while maintaining solid line control throughout the retrieve. Key Features Full Sinking Performance: Reaches feeding depth