The Mizuno MX 25 irons utilize Grain Flow Forged, 1025E Pure Select mild carbon steel providing the ultimate soft, solid, consistent feel. The Mizuno MX 25 irons also incorporated a wider, deeper, and longer H.E.M.I COG Pocket Cavity for the lowest and deepest center of gravity in a one piece forged iron. The MX 25 irons have a Durable Double nickel chrome plated finish and triple cut sole design that provide consistent, solid feel and playability from virtually any lie.