Grain Flow Forged 4135 Chromoly Face & Neck (2-8 iron) - consistently 0.2mm thinner across the face. Combined with COR Forged Hollow Body 28.5g Tungsten weight (2-7 iron) to produce a higher, more stable flight and enhanced ball speeds.
A Grain Flow Forged HD 1025E body is laser welded to a hollow construction with a 17-4 back piece. The 1025E Pure select mild carbon steel (in the 9-PW) is stabilized with a 431 steel back weight for precision and a more penetrating flight with the scoring irons.
A microlayer of copper beneath Nickel Chrome – for the purest, softest feel made famous in the legendary TN87. Reintroduced in 2018.
A new CORTECH face is consistently 0.2mm thinner across the face than MP-20 HMB. Sound and feel matched to the Mizuno Pro 221 Muscle back
The Mizuno Pro 225 packs its high launching performance within a genuine blade looking profile – at address as well as the bag. Even more compact through the set than the original HMB. Especially noticeable in the mid & short irons.