With the highest wet-knot strength available, the Scientific Anglers Freshwater Tapered Leader lets you cast your way confidently through a wide range of fly-fishing situations. Made of advanced nylon material, this leader is tough, yet supple and well-behaved. It's designed with a longer, larger butt section than standard leaders, assuring easy turnover on the cast. Sized true to spec for ultimate precision. Sizes: 3X, 4X, 5X, 6X. Lengths: 7.5', 9'. Color: Clear.