35 lb, .50mm


Elevate your fishing experience with the unmatched quality of Opsin Fluorocarbon, designed for anglers who demand both power and stealth. Each feature is crafted for excellence:

  • 35lb Test Strength: This line is a powerhouse, engineered for those who pursue larger, line-shy fish, offering the confidence to land your next personal best.
  • .49mm Diameter: Optimized for the perfect combination of strength and discretion, this diameter ensures your line is nearly invisible to fish, yet strong enough to withstand the fight.
  • Versatile Lengths: Choose from 25 or 50 yards to match your fishing style and needs, whether it's for detailed lure presentations or longer casting distances.
  • Slow-Extruded Japanese Fluorocarbon: Benefit from a line that's nearly flawless, thanks to a slow-extrusion process that enhances both low visibility in water and high tensile strength. This precision results in unmatched knot integrity and reliability.
  • Interlocking Spools: Our unique spool design enhances your fishing organization, keeping lines tangle-free and ready for immediate use, streamlining your preparation and maximizing your time on the water.

Customer Reviews

Based on 4 reviews
Wild Goose Fishing
Great line

Easy to tie, strong and a good value. I highly recommend Opsin. That’s why I use it on my charter boat!


Great product, catch more fish

Alan Jaimez
25 lb. Leader for yellow tail

Fish Opsin for yellowtail, amazing product never change the leader coughs 5 yellows on the same 25 lb leader


One of the best floro carbon ive used so far use it for just about everything i fish for great stuff