Surfstrand 1×7 is made of corrosion resistant, spring temper stainless steel Compared to our competitors old style 1×3 construction, Surfstrands 1×7 construction offers higher break strength and more realistic action The wire is specially stranded to deliver superior kink resistance, and the high strength of stainless makes this an excellent wire for leaders, lures, and trolling Camouflaged Brown finish minimizes reflections and disappears beneath the water Attach Surfstrand using crimping sleeves and crimping pliers or tie with a Figure 8 Knot AFW B0600 92 m.