0 Flex The new Mizuno Pro 221 Irons is crafted to be more playable with an iconic muscleback design The irons are expertly beveled for a shorter face profile and narrower top line without sacrificing mass in the upper blade A microlayer of copper is built underneath the Nickel Chrome top to bring you the purest and softest feel The Pro 221 features Mizunos shortest CG/shaft axis and is consistent throughout the set to allow better control of fades and draws These irons are evolved to be more playable through a process of incremental refinements in shape and weight placement GlobalGolfcom online store offers superior selection service and quality for your Mizuno golf Clubs needs