Mizuno Pro 245 irons now feature a more compact head shape with a thinner topline profile and multithickness CORTECH face that produces faster ball speeds Grain Flow Forged steel is combined with a hollow body construction for higher more stable flight with increased ball speed A suspended tungsten weight in the 2i7i pushes the CG to its lowest possible point above the sole to improve launch and power Harmonic Impact Technology is also enhanced to reduce sound pressure at impact for a pure feel GlobalGolfcom online store offers superior selection service and quality for your Mizuno golf Clubs needs