The Mizuno MP-64 iron is a Diamond Muscle, Grain Flow Forged iron designed for Mizuno's professional tour players.
The MP-64 features a double nickel mirror chrome finish and offers slightly more forgiveness than a traditional blade thanks to the shallowest of cavities. The smooth look and feel is complemented by a softer, edged, playable sole shape. The tour grind is maintained, while less defined edges produce more consistent distance control and turf interaction.
Mizuno's R&D focussed on producing the MP-64 iron with the softest, most solid feel possible. The quest for more feedback led to a thicker, bulging muscle pad behind a wider portion of the face. This produces a smoother feel that Mizuno's tour players recognise from previous muscleback irons.
The longer irons feature a deeper cavity, providing forgiveness where it is needed most. The cavity depth progressively reduces down to the short irons which are thick and exclusively feel-orientated.
Each Mizuno MP-64 iron is Grain Flow Forged from a single 1025E Pure select mild carbon steel billet for a pure feel.