Product Details Nike’s fastest irons go farther than ever. The clubface produces greater energy return, powering higher,longer, straighter shots. In the competition to get to the green, other irons just can’t keep up. NecCOR Face Technology NexCOR face technology maximises distance for the widest range of players through a new speed expanding multi face thickness design. The NexCOR infinity design creates a bright for ultra thin , ultra hot faces and unmatched ball speed from every club in the bag. Nike Powerbow Technology By positioning weight off the face with an undercut construction, the Nike PowerBow technology produces a faster, higher launch for maximum carry, straighter ball flight and steeper descent to hold greens.