Home Page

Cart, contains 0 items

When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Expert Help

Scientific Anglers
Sonar Sink 25 Cold Fly Line

Be the first to review

Style & Size:


Sonar Sink 25 Cold Fly Line

When that big meat-eating brown refuses to go after your fly, take your fly to him with the Scientific Anglers Sonar Sink 25 Cold Fly Line. This sink tip line has a fast-sinking 25-foot head that puts your streamer down fast, so even the most selective fish will have a hard time refusing such an easy meal.


  • 25-foot fast sinking head
  • Floating running line
  • Shooting Technology Plus
  • Braided multifilament core
  • Welded loops
  • Scientific Anglers Line Identification markings
  • Item #SAS001M
braided multifilament core
Overall Length
105 ft
Fly Line Weight
[4-6 wt] 150 grains, [5-7 wt] 200 grains, [6-8 wt] 250 grains, [7-9 wt] 300 grains, [8-10 wt] 350 grains
Fly Line Type
sink tip
Sink Rate
4 - 8 ips
Front End Loop
Back End Loop
Recommended Use
fly fishing