Cobra Men's Bio Cell Combo Golf Iron Set Tungsten-Fueled Distance and Forgiveness with easy to hit hybrids Largest unsupported face of any COBRA iron creates more face flex at impact for increased ball speed and extreme distance Bio Cell and E9 Face Technology create a low CG and high MOI which provides more distance and extreme forgiveness MyFly8 Technology with Smart Pad provides eight adjustable loft settings in hybrids to maximize distance, manage trajectory and optimize yardage gaps Lamkin REL 360 3GEN Grip