Mizuno Pro has always been Mizuno's most forward-thinking series - cutting edge engineering concealed within precise playing profiles preferred by the game's elite players. Pro 245 PRODUCT FEATURES Grain Flow Forged 4135 Chromoly (2-8 iron) Soft, solid and consistent feel, with strength for high COR. Increased Tungsten Weighting (2-7 iron) To improve long and mid iron launch, a heavier 47g Tungsten weight is placed optimally low and deep for improved launch long and mid irons. Hollow Body COR co