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