RIO'S BASS LEADERS are designed and built to match the needs of the bass fly fisher. The leaders are made of a medium stiff nylon and have a powerful taper design that will easily turn over large flies, and cope with tough winds. The copolymer material is incredibly tough and abrasion resistant. Medium-stiff material for turning over larger flies Powerful butt section and taper for great turnover Maximum strength and abrasion resistance IDEAL FOR: Weighted Streamers Bass Bugs Poppers