Designed and built to enhance performance and increase ball speed, the X-24 Hot Irons from Callaway Golf offer a hot club face with a large sweet spot to generate faster balls speeds--even on off center hits. The irons utilize Callaway's Precision Notch Weighting to move more weight to the perimeter of the club head. Callaway X-24 HOT Irons This enables an optimal center of gravity (CG) position for stronger trajectories while promoting pinpoint accuracy and control. The X-24 Irons are further refined with 360 Degree Undercut Channel technology and Modified TruBore technology. TruBore technology introduces a shorter, straighter, hollow hosel design that allows more weight to move into the perimeter of the club head while the 360-Degree Undercut Channel further maximizes perimeter weighting for CG that is even lower and farther back in ping G20 driver the club head. These paired technologies enlarge the hitting area and stabilize the club head for more forgiveness that provides an improved performance and enhanced feel for a wide range of golfers. Finished with a stealth PVD finish, the X-24 Hot Irons offer a distinctive dark look that minimizes glare on the course.