Scientific Anglers Sonar Titan Int. / Sink 3 / Sink 5 WF Fly Line zoom in


Scientific Anglers Sonar Titan Int. / Sink 3 / Sink 5 WF Fly Line

The folks at Scientific Anglers® took one of their most popular tapers, the Titan, drenched it in various mixtures of tungsten powder, and created a triple-density sinking fly line that will absolutely change the way you fish streamers forever. This is a fully tapered sinking line, so it casts like a floater, but provides a straight-line sinking connection to your streamer. The days of chucking and ducking are finally over. 

  • Loads quickly and delivers biggest flies to furthest targets
  • Excellent turnover due to short, powerful head and short front taper
  • Triple-density construction provides straight-line connection to fly
  • Shooting texture reduces friction, providing longer casts, easier pick-up and increased durability
  • SA-ID innovative line-marking system
  • Braided multifilament core
  • AST provides continual line slickness, allowing line to shoot farther
  • Welded loops
  • For temperate climates
  • Application: Streamers
  • Head length: 33.5 ft.
  • Overall length: 105 ft.
  • Made in USA

Sink rate:

  • Intermediate: 1.25 ips
  • Sink 3: 2.5-3.5 ips
  • Sink 5: 4.5-6.0 ips
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Throughout Scientific Anglers® sixty year history, they have consistently set the standard in premier fly-fishing. From inventing the contemporary floating fly line more than fifty years ago to their specialty core construction and patented AST™ and Sharkskin™ technologies, they continue to transform and modernize the sport.   

At Scientific Anglers, angling scientists and design team members work in partnership with fly-fishing legends to develop cutting-edge technologies and ultimate fly line designs to boost your fly-fishing experience to the extreme.  

Whether you're a beginner or an experienced angler, Scientific Anglers equipment is designed to give you optimum performance with every cast.
Description Weights Sink rate Color Price  


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6 wt. 1.25-6.0 ips Pale Green / Olive / Charcoal $99.99