The JPX900 hot metal combines the offensive ball speeds of a cast club with the adjustability of a forged iron - for the ultimate in customizable performance. The versatility of Chromoly 4140M gives both the strength for a distance enhancing cup-face, and the softness for a moveable, bendable neck. We know that every iron at Mizuno needs to look just right over the ball. So even though the JPX900 hot metal is incredibly forgiving on miss-hits, it's achieved within a manageable, playable iron head

• New chromoly4140 mis 15% stronger which creates metal toughness
• 1 piece-cup face design
• Softer wedges with milled grooves
• Power frame design
• Project x lz 3.5 Lite graphite shaft

New chromoly4140 mis 15% stronger which creates metal toughnessMizuno