Double-Structure Fluorocarbon construction delivers tournament-grade performance with unmatched toughness, abrasion resistance and flexibility. It's high-strength blend features two fluorocarbon resins extruded in one solid piece. The hard-resin core improves tensile strength and sensitivity, while the soft-resin shell enhances knot strength. Made with exclusive fluorocarbon resins, it's Seaguar's strongest and softest line. 200 yards.