Scientific Anglers Line

Scientific Anglers has produced fly lines since 1952, currently offering lines across the Amplitude (premium), Mastery (performance), Frequency (entry), and Sonar (sinking) series. The Amplitude series carries the AST Plus slickness additive; the Mastery series uses original AST across technique-specific tapers; the Frequency series provides welded loops at a lower price point. Sonar lines cover the full range of sink rates for subsurface fishing.