STEALTH IRONS Cap Back(TM) Design with Toe Wrap Construction - Expands the distance, forgiveness and feel benefits of the original breakthrough technology. This advanced engineering feat shifts mass from the extreme high toe of the head and repositions it in the sole to create an extremely low CG. The result is an iron that is easy to launch with a hot trajectory throughout the set. Fast Forgiving Face - A 450SS face has an intelligently positioned sweet spot that spans the most common impact points, delivering explosive ball speeds and consistency in all the right places. Thru-Slot Speed Pocket - TaylorMade's most flexible Speed Pocket(TM) design engineered to maximize face flexibility for increased ball speeds and offer additional forgiveness on low face strikes Echo Damping System(R) - Uses a soft polymer blend and multiple contact points across the face to channel away harsh vibrations and create a forged-like feel at impact Game-improvement iron: Medium-sized clubheads with lots of forgiving features while featuring a fairly classic profile at address