The Mizuno MP-58 Ti Muscle iron has been designed to combine the playability of their better player irons with the forgiveness of a multi material construction modern iron, the first time this has been done in the Mizuno MP series.
Mizuno have introduced a titanium insert into the outer muscle pad of the club head to give the MP-58 a uniquely solid feel at impact, while increasing the perimeter weighting to make the club much more consistent on off centre hits. The 11 gram titanium plate is positioned 2.9mm from the face for the best combination of feel sound and vibration.
The Mizuno MP-58s have a much thinner sole and top line than the older MP-57 model aimed at enhancing forgiveness for the player by keeping the centre of gravity close to the clubface whilst the beveled sole and flattened mid sole improve ball contact at impact. The head size of the Mizuino MP-68 is also a little bit smaller than the MP-57 but the half cavity design actually delivers a 10% increase in MOI. These developments mean that the MP-58 Ti Muscle offers the shape and control you would expect from a tour iron while offering much more forgiveness.
Mizuno MP-58 Iron - Product Details