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  13. JPX 921 Hot Metal Pro

Mizuno JPX 921 Hot Metal Pro 4-PW, GW Iron Set in New ConditionMizuno JPX 921 Hot Metal Pro Iron Set

5.0 ( 7 )

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Features & Specs

New Condition Men's Right-Hand Mizuno JPX 921 Hot Metal Pro

4-PW, GW Type, Regular Flex, Standard Length, Standard Lie Angle

Steel Project X LZ Blackout Steel Shaft


Headcover Included : No

Tool Included : No

Grip Included : Yes

Style : 210929.RSS3.01.0800

SKU : 1054354-AAA-1D7-AGE


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. Hot Metal Pro features a more compact profile and reduced offset.


  • 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.



Beauty and the Beast

Review by Allen M., 1 year ago.

“This is my first experience with Mizuno irons. First of all these clubs are beautiful. The aesthetics are stunning and screams of great quality and craftsmanship. They are a beast on the course, long and strong. I love the black PX shafts in mine; makes these irons very powerful.”

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Completely Satisfied

Review by Darrell D., 10 months ago.

“I got these Mizuno Hot Metal Pro irons in Certified Used condition for a great price. They arrived quickly and they are essentially brand new. The black shafts look awesome! I'm a pretty high handicapper but I wanted some decent clubs because I intend to start working on my game. I've played with them a few times now and the increased distance due to the adjusted lofts is obvious. They sound good, look good, and have improved my accuracy a bit already.”

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Great looks outstanding performance

Review by Kris M, 1 year ago.

“I spent some time this year researching my new irons. I demo'd a bunch of different models and these were the best combination of looks and performance. They still look fairly small and don't have a huge amount of offset so they tick all the boxes for me and they flat out perform. The ball launches nice and high and distance is perfect. I did have to adjust a bit in terms of club/distance but that is primarily due to the loft of these being quite different from my last set. ”

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Good transaction, quick turnaround

Review by Derek P., 2 months ago.

“Received my set of mizuno’s very quickly . They were exactly what I ordered shipped safely and quickly . In perfect condition . I’m enjoying the purchase and later bought a used driver which was in better condition than described . Research and purchase, works well”

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Club purchase

Review by Arthur L., 5 months ago.

“Clubs arrived in a very timely manner, in very good condition and we’re priced competitively. Have always had a good experience with 3 balls golf.”

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