Seaguar Blue Label 100% Fluorocarbon is developed with Seaguar&';s exclusive, proprietary Double Structure Technology, our FC Leader is one of the best on the market. Fluorocarbon leaders&'; advanced strength allows use of smaller pound test vs. other fluorocarbons for more effective presentation. Incredible impact strength, knot strength and abrasion resistance. Ideal for any leader fishing from 2 to 80 lbs., fresh or salt water. As with all 100% Fluorocarbon products, FC Leader is much less visible underwater than monofilament line and virtually invisible to fish. FC is also UV resistant, chemical resistant, non-absorbant, high-density and impervious to cold conditions. Made from 100% Seaguar resins and produced using our proprietary extrusion process. Available Line Sizes - 50 Yards Test (lb) Diameter (mm) Diameter (in) 2 lb .117 mm .005 in 4 lb .148 mm .006 in 6 lb .185 mm .007 in 8 lb .215 mm .008 in 10 lb .235 mm .009 in 12 lb .285 mm .011 in 15 lb .330 mm .013 in 20 lb .405 mm .016 in 25 lb .435 mm .017 in 30 lb .520 mm .020 in 40 lb .620 mm .024 in 50 lb .660 mm .026 in 60 lb .740 mm .029 in 80 lb .810 mm .032 in