The Mizuno MP-54 Irons feature the following: Step Muscle Design creates additional thickness behind impact for solid feel. Grain Flow Forged from a single piece of 1025E Pure Select mild carbon. Milled Pocket Cavity in irons 3-7 produces stability on off center strikes, higher launch, and a steep landing angle. Solid Muscle Design in irons 8-PW for enhanced feel and maneuverability. Perimeter Grind reduces top line appearance and sole width.
Brand spankin' new!...factory original.