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Mizuno JPX-850 Forged 4-PW Irons KBS Tour Steel Stiff Shafts JPX850

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After 6 years of development - the introduction of BORON to Mizuno's Grain Flow Forging process allows the JPX-850 Forged to overcome the distance limitations of traditional forged irons. Mizuno's new material is 30% stronger than traditional 1025E steel billets - allowing for a thinner face and extreme ball speeds. The result is an incredible iron that combines Grain Flow Forged precision and feel with shocking distance. A combination that was unachievable before BORON.

This new, thinner face is strategically reinforced by a Power Frame cavity which places weight to the extreme corners of the club head for maximum forgiveness along with increased distance. A clean, sleek design combined with these breakthrough technologies delivers an iron that looks and plays like nothing before.


  • Grain Flow Forged 1025 BORON: 30% stronger material for thinner face and longer distance while delivering soft, solid, consistent feel
  • Power Frame: Enables entire face to flex for increased ball speeds and distance
  • Ultra CNC Milled Pocket: Higher launch angle and increased ball speeds in 4 through 7 irons
  • Shafts: KBS Tour Steel
  • Grips: Mizuno Golf
    • Mizuno

    • JPX-850 Forged

    • Right-Handed

    • Stiff

    • 4-PW (7 Clubs)

    Product Information   Specifications for Mizuno JPX-850 Forged 4-PW Irons KBS Tour Steel Stiff Shafts JPX850 Below:

    Manufacturer Mizuno
    Brand Mizuno
    Model JPX-850 Forged
    UPC 616245806330
    Item Weight 0.56 pounds
    Item Size 5 x 6 x 6 inches
    Units in Package 1

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