<b>Callaway's 2007 Steelhead X-14</b> line offers the best in club technology. Unique to these clubs is the variable face thickness, a manufacturing process that effectively distributes weight around the head to optimize the performance characteristics.<p>The long irons have a lower center of gravity for maximum forgiveness, crucial for those who need a 2-iron performance from fairway or tee. The ball will come off with a flat trajectory and will offer more roll. The sleek