Use what the pros use with Berkley Trilene Professional Grade 100% Fluorocarbon Line. Extremely sensitive, the unique properties of this line give it low memory, providing smooth casting and easy handling. Trilene Fluorocarbon has low stretch, delivering solid hook sets and putting you in direct contact with the fish. It's also highly abrasion-resistant, which gives anglers the ability and confidence to fish in and around structure without concern. With a similar refractive index to water, this line is nearly invisible to fish, and 100% proprietary PVDF formula is specially processed for the ultimate in impact strength.