100% FLUOROCARBON FOR THE UTMOST IN STEALTHLONG BUTT SECTION FOR GREAT TURNOVER AND PRESENTATIONHAND TIED PERFECTION LOOP IN THE BUTT FOR QUICK RIGGINGQUALITY, PERFORMANCE AND DURABILITY YOU EXPECT FROM RIO PRODUCTS!RIO's Fluoroflex trout leaders are made of 100% fluorocarbon, and are the perfect solution for when a nearly invisible presentation is required in clear water and for spooky fish. Each leader has high abrasion resistance and excellent tensile and knot strength, and have a long butt section that will turn over flies effortlessly. Each leader is 9ft long, and available in 8 sizes from 7X (1.5lb) to 0X (10lb).