RIO’s bonefish/saltwater fluoroflex leaders are made of 100% fluorocarbon, and are the perfect solution when fishing shallow, clear flats and for spooky bones, permit and reds. Each leader has high abrasion resistance and excellent tensile and knot strength and a long butt section that will turn over flies effortlessly.Each leader is 9ft long and available from 8lb (0.009″) to 20lb (0.015″)