STS Trout & Steelhead, Strong and Highly Abrasion Resistant, Premium, 100% Fluorocarbon Performance Leader Material, Virtually Invisible.

STS delivers incredible abrasion resistance and maximum impact and knot strength, all with a smaller line diameter than monofilament.

Fast-sinking line that gets you in the "strike zone" quicker and with a lower refractive index than monofilament line, it is significantly less visible underwater.

Product Features:

• Abrasion Resistance: Made for fishing around logs, rocks, docks, and in heavy grass.
  
• Knot Strength: Gives you a better, more reliable connection to lures and hooks.
  
• Invisibility: It is significantly less visible underwater than monofilament and coated lines.