Z-Man SlingbladeZ Willow Colorado Spinnerbaits were designed by Bassmaster Classic and Forrest Wood Cup champion Luke Clausen. They set out to design a superior spinnerbait and no expense was spared in the design process or sourcing of materials. Featuring a unique StabilTrack head that was 3D modeled with ultimate attention to detail so as to offer a lifelike profile. These spinnerbaits feature a low center of gravity, belly groove, and side fins for a realistic look while tracking straight and virtually eliminating rolling. The custom light-wire 17-7 stainless steel LiverWire frame offers excellent vibration without sacrificing durability. The Z-Man SlingbladeZ Willow Colorado Spinnerbaits are superior, premium spinnerbaits at a great price. StabilTrack head design features industry-first grooved underbelly for rolling elimination5/0 O'Shaughnessy VMC hook and wire trailer keeperLow-vis 17-7 stainless LiveWire frame - Emits vibration similar to piano wire but is far more durableCopper wire hand-tied 100% silicone skirtingCustom blades electroplated with jeweler quality finishDetailed multi-color paint schemes.