See the Mizuno MP-69 Irons price features
4D Muscle design delivers unmatched ball and flight control by maintaining the perfect COG design in each head. Scientifically designed to optimize sound and feel at impact utilizing Modal Analysis and Harmonic Impact Technology. Strategically placed trailing edge bevel delivers tour confirmed performance and increased versatility. Patented Grain Flow Forged™ 1025E "Pure Select" mild carbon steel provides the ultimate soft, solid, and consistent feel. Modified U-grooves, which conform to the Condition of Competition, produce the ideal spin rate for maximum playability in all conditions.