The E725 Game-Improvement iron design boasts an optimally located CG, maximizing MOI, and aiding extreme stability and resistance to twisting at impact. The extremely low-rearward CG position of the iron-head produces an extremely high MOI and deeper CG position. This super-forgiving design is absolutely loaded with game-changing innovation, including VIBRCOR TPU inside the clubhead, 3D Diamond face technology, and a sleek carbon fiber cap.