Cobra Aerojet ONE Length Combo Iron Set (Right-Handed)Cobra Aerojet ONE Length Combo Iron Set The AEROJET combo set features one hybrid and six irons, allowing effortless launch and distance with the unmatched consistency of ONE Length. Hunt for greens like never before through effortless launch and distance in our most technologically advanced iron. PWRSHELL insert maximizes speed and launch while the A. I. designed H. O. T Face delivers more efficient speed and spin creating a larger sweet spot and