With Seaguar STS Fluorocarbon Leader, tough fish, rocks and wicked structure are no problem. This genuine 100% Japanese fluorocarbon leader material delivers incredible abrasion resistance and maximum impact and knot strength, all with a smaller line diameter than monofilament.
Seaguar STS Salmon Trout Steelhead Fluorocarbon Leader is a fast-sinking line that gets you in the "strike zone" quicker. Also, with a lower refractive index than monofilament, it is significantly less visible underwater. Move over mono, Seaguar STS Fluoro is the new optimum leader material choice for targeting salmon, trout, kokanee, and steelhead.