Each iron has been meticulously shaped to meet Tiger's discerning eye - longer blade length, thinner topline, progressive face height, and more. Milled Grind eliminates variances in sole geometry from head to head and ensures precision in every iron set, while the CNC machined sole geometry and a precise leading edge promote consistent turf interaction. Precise tungsten weight placement engineered to improve trajectory control and promote a deeper feel at impact. Authenticity is guaranteed. Standard TaylorMade warranty applies. This item is currently on pre-order. The expected ship date is early May.