The X-18 and X-18 Pro Series irons are the newest irons in Callaway's X-Series line. "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" Callaway is known for, the company said in a news releasing announcing the new product.
The X-18 and X-18 Pro Series irons are the successors to their X-16 counterparts.
Among the X-18 features:
• Extreme Notch Weighting: A proprietary - and visible - visible feature that raises each iron's Moment of Inertia (MOI) for increased stability and better results on off-center hits.
• S2H2: S2H2 stands for "Short Straight Hollow Hosel," and it's been a staple of Callaway irons for more than 15 years. The S2H2 systems allows weight to be moved lower and to the perimeter area of the clubhead. This increases forgiveness and aids the golfer in the getting the ball airborne.
• Tru-Bore: 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.
• Variable Face Thickness: VFT, or Variable Face Thickness, is a face design technology through which Callaway is able to raise or lower the center of gravity for optimum trajectory with each iron in the set. The result is a higher launch angle in the long irons and better trajectory height control in the short irons and wedges.
The X-18 Irons also feature a standard progressive offset throughout the set.
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(TM) 45i (ladies flex).
X-18 Pro Series Irons come in the same set and wedge configuration and feature True Temper(R) 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.
X-18 Irons have an MSRP of $110 per club for steel-shafted models and $140 per club for graphite-shafted models. The irons will begin shipping to retailers on Jan. 1, 2005.
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