The second generation of Mizuno's staggering Hot Metal Blade – and the most playable of the Mizuno Pro series. More compact than the original with a revised CORTECH multi-thickness face for even quicker ball speeds. Equally effective as a long / mid-iron alternative for elite players or a complete set for low to mid handicaps. Grain Flow Forged in Hiroshima, Japan, with a soft copper underlay for a uniquely satisfying Mizuno sensation at impact.