KING COBRA PRO CB irons. New for 2008 the Cobra Pro CB irons have been designed with input from Cobra's Tour staff. The new Pro CB Irons deliver superior feel and workability. With a forged cavity back, shorter hosel and lower center of gravity, these irons have been engineered for a high ball flight, while the rounded sole camber improves turf interaction. Its Tour-calibre technology is designed with one thing in mind - putting the ball exactly where you want it. The head is forged 1020 Carbon Steel featuring a thin top line with minimal offset and narrow sole.