The Scientific Anglers SONAR Musky fly line has a powerful taper to help cast large flies easily with minimal false casts. Comprised of an intermediate running line and an Type 5 (S5) sinking tip, the SONAR Musky will get your fly where it needs to be.

Noted Features:

• Powerful head to turn over extremely large flies
• Reinforced loops
• Oversized running line for increased line management and positive strip sets. 
• Intermediate running line and Sink 5 head works well for lakes and rivers
• For use in moderate climates
• Braided multifilament core