RIO’S BIG NASTY LEADERS are designed to cast large, heavy or air resistant flies. The leaders are made of a medium stiff nylon and have a powerful taper design that easily turn over streamers, big terrestrials (like hoppers and stoneflies), and cope with tough winds. The copolymer material is incredibly tough and highly abrasion resistant. FEATURES: Medium-stiff material for turning over larger flies Powerful butt section and taper for authoritative turnover Hand tied perfection loop in the butt for quick rigging IDEAL FOR: Streamers Terrestrials Bass Bugs Windy Conditions