Scientific Anglers nylon Freshwater leaders come in four different lengths and feature a longer, larger butt section for easy turnover. These new materials feature the highest wet knot strength in the industry and true-to-spec X sizes. Each leader comes in a two-pack, so you spend less time rooting through your vest for a new leader and more time actually fishing. 7.5 ideal for most situations, wind 9.0 multi-situation leader