Mizuno JPX 923 Hot Metal Golf Irons - Standard


Mizuno's Fastest Flying, Fast Stopping Irons

Unveiling Nickel Chromoly - A revolutionary material that delivers increased ball speed, our engineers shifted their attention to enhancing feel and stopping power. With a 35% higher strength than our original Hot Metal material, 4335 Nickel Chromoly allows for an 8% thinner clubface to generate explosive energy. Paired with Mizuno's vibration-controlling V-Chassis and deep CG design, the JPX923 Hot Metal irons offer unparalleled enjoyment and control, while also maximizing distance.

Faster Nickel Chromoly

Experience the incredible strength and increased ball speed of the New 4335 Nickel Chromoly, now 35% stronger and with an 8% thinner clubface compared to our original Chromoly design.

V-Chasis For More Solid Feel

Experience an unparalleled sensation with Mizuno's new V-Chassis. Despite a clubface that is 8% thinner, the vibration pattern is more solid and satisfying than ever before.

Increased Stopping Power

The revolutionary seamless face design creates the perfect center of gravity for a powerful launch and precise landing trajectory.

Consistent Ball Speeds Across the Face

Experience the unmatched power and precision of the Mizuno JPX 923 Hot Metal Golf Irons. The sole has been thoughtfully widened by 18%, providing a larger, high-energy impact zone - resulting in unparalleled performance on the course.

White Satin Brush

Enhance your game with a sleek, chrome plated finish that minimizes glare and keeps your focus on the course.


Club Loft Lie Length
4 19° 60° 38.5"
5 22° 60.5° 38"
6 25° 61° 37.5"
7 28.5° 61.5° 37"
8 33° 62° 36.5"
9 37.5° 62.5° 36"
PW 42.5° 63° 35.5"
GW 48° 63° 35.25"
Dexterity: Right Hand
Set: 5-PW
Shaft : KBS $ Taper Lite - Regular
Dexterity: Right Hand
Set: 5-PW
Shaft : KBS $ Taper Lite - Regular

Product information


What happens if I can’t select the combination of head, shaft & grip I want?

Email us on hi@ninebyninegolf.com or call 020 3995 5638 we would be more than happy to discuss and prepare a custom quote.

I am purchasing from outside of the UK, what happens with TAX / Customs duty?

All orders show and charge TAX / Duties at checkout so there will be no additional payment required to the courier. Goods will be delivered duties paid (DDP)

Do you offer advice prior to purchase if I am unsure which product to choose?

We understand and recommend trying / having a fitting prior to any purchase but should this not be possible our team will be more than happy to help you through any purchase. Either via email or on the phone.

I paid for Express shipping on a custom order, why hasn't it shipped next day? 

Express shipping is the fastest possible shipping service, unfortunately it is not a way of getting your custom order built faster.

What if I can’t find an option I want on a drop-down menu?

If you can’t find a grip or shaft that you would like to order then please do reach out to us or place an order and leave a note on the order. One of our team will be happy to help you through the process. 

Nine by Nine Golf

Nine by Nine Golf is a supplier of high quality golf equipment. Golf is about performance and the brands we sell will help you achieve your highest performance on the course.

The Nine by Nine team has a long history with the game of golf as well as a deep knowledge and understanding of the technology and products on offer.

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