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GlobalGolf  /  Golf Clubs  /  Iron Set  /  Mizuno  /  JPX 921 Hot Metal

Mizuno JPX 921 Hot Metal 4-PW, GW Iron Set Golf Club

Right Handed Options Stiff Flex 4-PW, GW Standard Length Standard Lie Angle Nippon NS Pro 950GH Neo Steel Shaft New Condition
In Stock.

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JPX 921 Hot Metal
Player Type
Clubs Type
4-PW, GW Iron Set
Right Hand
Lie Angle
Nippon NS Pro 950GH Neo Steel
Has Headcover
Has Tool
Shaft Material
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This products qualifies for our 30-Day Playability Guarantee, allowing you to return the club within 30 days of purchase if you are unhappy with its performance.


JPX 921 Hot Metal irons integrate Mizuno's fastest ball speeds with a piercing, straight ball flight and controllable landing angles. Featuring the 3rd generation of resilient Chromoly technology, the JPX 921 HM utilizes the most complex face geometry to date to provide additional energy.


  • Faster and Faster Chromoly 4140M - 3rd generation Chromoly has now been taken to its limits. A re-engineered CORTECH face is 0.2mm thinner across the center.
  • Seamless Cup Face - New variable thickness sole design lets the leading edge act as a hinge for greater face flex and ball speeds.
  • Harmonic Impact - A more solid sensation derived from predicting vibration patterns that dictated 3 additional sound ribs.
  • Pearl Brush Finish - Anti-glare minimizes distractions over the ball.
  • Stability Frame - Additional perimeter weighting with toe bias for stability from off center ball strikes.


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Technology / Specs

JPX 921 Hot Metal Face

Chromoly 4140M Base Maximizes Speed

Now in its 3rd iteration, the re-imagined CORTECH face technology on the JPX 921 Hot Metal irons has been stretched to its limit for maximum distance and speed, all while having a 0.2mm thinner center point.

JPX 921 Hot Metal Sole

New Head Design for Smoother, More Solid Contact

The JPX 921 Hot Metal irons were crafted with a new thickness and sole design, allowing the leading edge of the club to operate in a more hinge-like motion, producing more ball speed and flex in the face.

JPX 921 Hot Metal Sound

Crisp, Solid Sound

The JPX 921 Hot Metal irons have been crafted with 3 additional vibration detecting ribs, producing a cleaner, more solid sound at impact.

JPX 921 Hot Metal Toe

New, More Stable Frame

With additional perimeter weighting, the new JPX 921 Hot Metal irons have increased toe bias, further making off-center strikes more accurate.

JPX 921 Hot Metal Finish

Brushed with a Pearl Finish

The pearl finish on the new JPX 921 Hot Metal irons reduces glare at address, minimizing any distractions that may be seen when addressing the ball.

JPX 921 Hot Metal Irons Options

Club Dexterity Loft Lie Angle Offset Length
4 iron RH/LH 19° 60 0.224 38.5"
5 iron RH/LH 22° 60.5 0.213 38"
6 iron RH/LH 25° 61 0.201 37.5"
7 iron RH/LH 29° 61.5 0.189 37"
8 iron RH/LH 34° 62 0.173 36.5"
9 iron RH/LH 39° 62.5 0.154 36"
PW RH/LH 44° 63 0.15 35.5"
GW RH/LH 49° 63 0.134 35.25"

JPX 921 Hot Metal Irons Shaft Options

Shaft Name Shaft Flex Shaft Weight
Nippon NS Pro 950 Neo Stiff 98g
Nippon NS Pro 950 Neo Regular 94.5g
UST Recoil ESX 460 F3 Regular 64g
UST Recoil ESX 460 F2 Amateur 59g
UST Recoil ESX 450 F1 Ladies 52g
UST Recoil Esx 450 F0 LL 48g

JPX 921 Forged Irons Grip Options

Grip Brand and Model Grip Size Grip Color
Golf Pride MCC Plus4 Standard Grey
adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson
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These are your Utry® selections. Only Utry® eligible products appear here. 2 product limit.

Our Utry® program gives you the opportunity to try out brand new products from the game's top brands for 14 days for only $25, or $100 for an iron set. That's right—you get a brand new, still-in-the-plastic club to try for two weeks for just $25.

You get to try it when, where, and how you want for two weeks before deciding if you want to buy it or not.

Want to test out two different brands, or two different configurations? No problem. Utry® lets you try out up to 2 products for $25 per product or 1 iron set for $100.

This isn't 30 minutes on the range with range balls or looking out of the Pro-Shop window. You can try the product on your time, when & where you want.

Utry® gives you the freedom to take Golf Clubs, GPS or Rangefinders to your course and to use at your pace! Use it as much as you like so you can really know what the product will do for your game before you invest in it.

If you don't love it, simply put it back in the box it came in, use the included prepaid return shipping label, and send it back to us. That's it.

If you do love it, that's awesome! You keep the product, we'll subtract the $25 trial fee off the final cost of the product, and we'll charge you the difference.

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