Choice of the Pro's, Trilene 100% Fluorocarbon is the âXTâ of professional-grade fluorocarbons. This proven formula provides incredible shock strength, abrasion resistance, and knot strength. Fast-sinking with greater line density for high sensitivity and less âbowâ in the water - all advantages for feeling the bite, setting the hook, and landing more fish! Berkley Trilene 100% Fluorocarbon Clear, 10 Lbs - Fishing Lines at Academy Sports