Review: Mizuno Golf JPX921 Hot Metal Irons Terminate Your Golf Shortcomings

You’ll find Mizuno makes some of the best golf balls and very good pair of golf gloves, and their clubs fit well in that family. Leaning hard into their in-house research and development, the Japanese manufacturer brought the Mizuno JPX921 Hot Metal Irons in an effort to offer more players a generally forgiving club option with enough accuracy to let lower handicap players shape shots effectively.

In keeping with that forgiveness quest, these JPX921 Hot Metal Irons offer a muscle back design with what Mizuno calls “Harmonic Impact Technology” and built-in geometry in the club head shape to provide solid impact, feel and feedback. Mizuno engineers kept the club open at the heel to enhance stability in the swing slot. Finally, Mizuno’s Cortech Design keeps all but the muscle back portion thin on the club face to distribute weight.


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