What you get is a springy, robust clubface with an enlarged sweet spot that delivers faster ball speeds more consistently across the face, so youll experience improved distance, even on off-center hits.Complete with Callaway X-24 HOT Irons (Physical Vapor Deposition) Finish that reduces glare, the new X-24 Hot Irons utilize Callaway's proprietary VFT Face Technology, 360-degree undercut channel and a precise center of gravity to create a large and effective hitting area for golfers of all abilities. The result is maximum distance while maintaining the same accuracy, even on off-center hits. Around back, youll see Callaways notch weighting at work. Taylormade Rocketballz RBZ Driver Discretionary weight is relocated to the perimeter of the club which promotes accuracy and allows Callaway to place the center of gravity in an optimal position to generate strong trajectories.