Features: Chromoly (Chromium Molybdenum) Steel Face allows face to be made thinner (2.5mm) for maximum power and distance. Dual Tungsten Power Heavy head design with a counterbalance grip (20g of Tungsten at butt end) to generate greater head speeds for more distance. Double Undercut Cavity increase the size of the sweet spot further down in the face for maximum forgiveness. 3D Sole Design allows for reduced turf resistance for maximum energy transfer.