Used Callaway X 2007 Single Irons

The first X woods, sold beside the X-20 irons rather than as part of them. The X-Sole rests the head on two raised portions of the sole, which stops the leading edge digging and helps the face sit square from an awkward lie. Lofts ran 15, 18 and 21 degrees, and the X hybrids arrived alongside them carrying the same idea.