Opsin Fluorocarbon Fishing Line – 50 lb (0.59 mm)

Opsin 50-lb fluorocarbon leader is 11% lower in diameter than leading competitors while delivering professional-grade performance for large bluefin tuna, wahoo, and trophy-class pelagics. Slow-extruded in Japan using advanced manufacturing that takes 42% longer at lower temperatures, creating molecular-level precision that ensures consistent diameter and superior knot integrity.Key Performance Features: Low-visibility fluorocarbon for wary trophy fish Superior abrasion resistance handles brutal runs Enhanced knot strength for ultimate confidence Reduced stretch provides maximum power transfer Magnetic-lock spool keeps the line tight between trips Professional choice for charter captains and tournament anglers. When you're targeting fish of a lifetime, Opsin delivers the edge.