The JPX921 utilize the power of Chromoly 4140M, with a piercingly straight ball flight and controllable landing angles.
The JPX921 Hot Metal Irons Features:
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Chromoly 4140M
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Stability Frame / Seamless Cup Face
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Harmonic Impact / Pearl Brush Finish
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1-Year Guarantee / UST Mamiya Recoil ESX Graphite Shafts
High-Strength Chromoly 4140M
This is the 3rd generation of Chromoly 4140M in a Mizuno iron, now 0.2mm thinner across the centre point of the re-engineered CORTECH face which takes ball speeds even faster than before.
Seamless Cup Face / Harmonic Impact
The iron has a variable thickness sole design with a leading-edge which acts as a hinge. This allows the face to flex for greater ball speeds and with the addition of 3 sound ribs, you can be assured of a more solid and satisfying feel at impact.
Stability Frame
Stability at launch is improved with extreme perimeter weighting, with more toe bias weight which is perfect for more performance on off-centre ball strikes. The JPX921 Hot metal irons have loft-appropriate apex for a more controlled, soft-landing on approach shots.
Pearl Brush Finish
Plus a premium Pearl Brush Chrome-Plated finish which enhances durability, beautifully softened club headlines and minimises distraction at the address position.
"The introduction of Chromoly was the breakthrough Mizuno needed to take a step up in ball speed. We learn more about the potential of Chromoly with each generation and push it further each time."
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