The new JPX925 Forged Irons feature Mizuno's revolutionary CORTECH design and Contour Ellipse Face. Initially reserved for the Hot Metal family and requiring an entirely new construction method, this advanced multi-thickness face profile maximizes ball speed across the face, fusing explosive distance and forgiveness with the iconic, unparalleled feel of Mizuno's one-piece forged irons. Every JPX925 Forged employs Mizuno's legendary and proprietary Grain Flow Forged HD process. However, the four through seven irons are crafted from powerful Chromoly 4120, while the eight-iron through gap wedge utilize softer 1025E Pure Select Mild Carbon Steel. Together, these materials ensure optimal performance throughout the set, transitioning seamlessly from higher ball speeds in the long irons to superior control and precision in the short irons. Mizuno's innovative Triple Cut Sole completes the JPX925 Forged's versatile design. Meticulously engineered for enhanced turf interaction in all lies and conditions, the irons' gently beveled leading creates a clean entry into the surface, while trailing-edge relief promotes a smooth exit. The Forged's precisely balanced weighting works harmoniously with the sole, granting outstanding control, regardless of playing conditions. Mizuno JPX925 Forged Black Irons Feature: Grain Flow Forged HD in Japan to deliver the ultimate in feel and feedback CORTECH design and Contour Ellipse Face optimize ball speed across the entire face, ensuring explosive performance and forgiveness even on off-center strikes; a new construction method was required to apply this remarkable innovation to the forged iron Forged Chromoly 4120 in the long irons (4-7) for unparalleled speed and distance 1025E Pure Select Mild Carbon steel in the short irons (8-GW) offers precision, control, and a buttery feel Triple Cut Sole, including a gently beveled leading edge for clean entry into the turf and a hard-cut trailing edge for a smooth exit, provides superior versatility