Berkley Trilene Fluorocarbon Pro Grade 8lb TFPS8-15 Choice of the pros for nearly 10 years! Trilene 100% Fluorocarbon is the ``XT`` 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 ``bow`` in the water - all advantages for feeling the bite, setting the hook, and landing more fish! THE CHOICE OF THE PROS! - A FLUOROCARBON GOOD ENOUGH TO BE CALLED TRILENE Nearly Invisible - Similar refractive index to water so fish can`t see it Optimal impact strength - Proprietary 100% PVDF formula specially processed for optimal impact strength Excellent Manageability - Lower memory for superior casting