The JPX EZ Forged are constructed with 1025 Boron which provides increased distance and forgiveness. The 1025 Boron material is 30% stronger than previous materials, which provides amazing distance. Weight is distributed out to the four corners to amplify the Power Frame design resulting in maximum forgiveness. The wide sole design helps to lower the sweet spot to deliver effortless flight. The Triple Cut sole helps the player cleanly strike the ball from all types of lies. All of these advancements were achieved without sacrificing the elite feel sensation that you only get from a Grain Flow Forged Mizuno iron. This set comes with 4-iron through pitching wedge and gap wedge. Please contact us if you would like to customize the lofts, lies, grips, or shafts. Satisfaction and authenticity are guaranteed. Standard Mizuno warranty applies.