Reach beyond your limits with the Cobra DS-ADAPT 4-PW Stiff Irons Set. The new DARKSPEED-series iron clubs deliver greater distance potential than ever before, with a revamped design and improved technology to help you hit the optimal length from any lie. The expanded SPEEDSHELL face combines with H.O.T. Face tech and a hollow-body construction for drastically increased face flex, while the adaptive PWR-BRIDGE weighting system powers your shot with improved energy transfer. Combined with tuned acoustics for optimum feel and stiff-flexing steel shafts for peak power, these irons are engineered to send the ball faster, higher, and farther than ever before.