Callaway X-18 Pro Series (Irons)

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Callaway X-18 Pro Series

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Callaway Golf has debuted its exciting X-18 and X-18 Pro Series Irons, the latest version of the best-selling X-Series Irons that have long been the favorite of a broad spectrum of the world's golfers. With each iron containing years of knowledge built into a new, sleek package, both X-18 models incorporate the player-trusted and Tour-tested performance features that have made Callaway Golf the worldwide leader in iron technology.

The successor to the popular X-16 and X-16 Pro Series Irons begin with the patented core technologies that have made the Callaway Golf brand the market leader. Extreme Notch Weighting, a proprietary visible feature that raises each iron's Moment of Inertia (MOI) for increased stability and better results on off-center hits, combines with a deeper 360-degree Undercut Channel to achieve new heights of forgiveness.

S2H2 (Short Straight Hollow Hosel), a staple of Callaway Golf irons for more than 15 years, allows weight to be moved lower and to the more useful perimeter area of the clubhead. An integral element of the S2H2 design is Tru-Bore Technology, which extends the shaft tip completely through the clubhead to the sole for greater feel and superior control.

Standard X-18 Irons are available in 2-iron through 9-iron plus Pitch (46 degrees), Approach (51 degrees), Sand (56 degrees) and Lob (60 degrees) wedges. The standard steel shaft is the Constant Weight Uniflex by True Temper, and graphite shaft options include System 55i (light flex), System 75i (regular flex), System 85i (stiff flex), and Gems 45i (ladies flex).

X-18 Pro Series Irons come in the same set and wedge configuration and feature True Temper Dynamic Gold steel shafts standard (in R300, S300 and X100 flexes). The standard graphite shaft is the RCH Pro Series M-75i and comes in regular, stiff and X-stiff flexes.