Rio&';s Power Flex Trout Leaders Feature A Powerful Butt Section That Provides Unsurpassed Turn Over For Effective Wind Penetration And To Easily Cast Streamers And Indicator Rigs. Each Leader Is Made With An Advanced Co Polymer Material That Ensures The Highest Knot And Tensile Strength To Allow Confident Hook Sets And Greater Landing Percentages. Each Power Flex Trout Leader Is Designed To Help You Cast Better And Fish More Effectively. Ideal For Nymph/Indicator Rigs, Streamers And Dry Flies. Perfection Loop In The Butt For Easy Rigging.