The strongest and fastest taper available. A quick transition from heavy, long butt to tippet results in a powerful turnover of everything from big terrestrials to multi-fly rigs (i.e. hopper/copper/dropper). A secret blend of nylon results in the strength to absorb the take and bring the fish to net. Exceptional knot strength and abrasion resistance round out this perfectly balanced material. These leaders are also perfect for beginners. PERFORM X CONSTRUCTION - Core: Co-Polymer Nylon for perfect balance of strength and suppleness, Coating 1: Hydrophobic Coat water barrier A nylon should not be a sponge, Coating 2: Continuous Coat produces a smooth consistent, reliable material