RIO Fluoroflex Tapered Leader - Fluoroflex tapered leaders are the solution when a nearly invisible presentation is required for wary fish. Fluoroflex leaders are 100% fluorocarbon with high abrasion-resistance and excellent knot strength. The leaders have a long butt section that will turn over flies effortlessly. Nearly invisible 100% FluorocarbonHigh abrasion-resistance and excellent knot strengthLong butt section that will turn over flies effortlessly