Cobra 2300 I/M Irons. New for 2006. Constructed of 431 Stainless Steel and designed for those who demand Mid-high launch and workability. Cobra's 2300 I/M Irons are all about making the ball do what you want. With their undercut players design, thin top-line and reduced offset, these irons give you a generous Sweet Zone, great launch, and the ultimate in control. Aimed at players with a handicap of below 15 who want a refined balance of launch and workability.