Callaway redesigned this iron from the ground up, with an innovative A.I. face architecture and all new forged hollow body construction. Any scratch or single digit handicapper who wants speed and forgiveness in a players performance iron needs to try the Apex Pro 21. Our A.I. designed Flash Face Cup is in a forged Apex Pro Iron for the first time ever. The unique Flash Face architecture in each iron creates high COR’s for fast ball speeds, and improved spin robustness for every club. This set is engineered for the distance you want to see, and better control than you’ve ever had before.