Berkley Professional Grade Trilene Tracer Braid Fishing Line A Professional Grade Braid. Breakthrough Radial Construction. Eight-Carrier, High-Pick-Count, Dyneema Radial Braid Construction  UltraRound, Smooth And Strong Top Pro Field Test Comments: "Ultra Strong","Longer Casting", "Better Handling", "Exceptionally Quiet" IncredibleStrength  The Strongest Berkley Braid Ever Made! OutstandingDurability  Color Lasts Longer! Toughness And Dependability In TheRoughest Fishing Conditions