Mizuno JPX 921 HOT METAL PRO Steel 7-irons

  • £899.00
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The JPX921 Hot Metal irons pair Mizuno's fastest ever ball speeds with a piercingly straight, ball flight and controllable landing angles. The 3rd generation of Mizuno irons to utilize the resilience of Chromoly - the JPX921 has the most complex face geometry to date for additional energy from the clubface. Choose the more Pro version for a more compact profile with reduced offset.

The JPX921 Hot Metal is Mizuno’s 3rd generation to use Chromoly – R&D generally accept that any new technology needs 3 generations to near peak performance.

Faster and faster Chromoly 4140M: Our 3rd generation of designing and manufacturing irons using Chromoly – now taken to its limits. A re-engineered CORTECH face is now 0.2mm thinner across the centre point.
Seamless Cup Face: A new variable thickness sole design allows the leading edge to act as a hinge, resulting in greater face flex and ball speeds.
Harmonic Impact: Predicting vibration patterns dictated 3 additional sound ribs – producing a more solid sensation.
Additional Hot Metal ‘Pro’ Version: More compact option with reduced offset.
Pearl Brush Finish: Anti-glare to minimise distractions over the ball.
Stability Frame: Extreme perimeter weighting with toe bias for stability from off-centre strikes.

"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." CHRIS VOSHALL / PRODUCT MANAGER, MIZUNO.


Club # Loft ° Lie Angle Offset (inch) Length (inch) Hand 
4 19 60 0.15 38.5 RH 
5 22 60.5 0.142 38 RH
6 25 61 0.134 37.5 RH
7 29 61.5 0.126 37 RH
8 34 62 0.118 36.5 RH
9 39 62.5 0.11 36 RH
PW 44 63 0.102 35.5 RH