Tour Edge Exotics XCG6 Golf Iron, Men's, Right Hand, KBS Tour Steel, Stiff, 4-PW The XCG6 irons features four tungsten weights in the heel and toe areas to increase the effective hitting area and lower the center of gravity for easy-to-hit shots The club's deep undercut cavity, perimeter weighting and tungsten sole weights help to lower the center of gravity, optimize the trajectory and enhance forgiveness Each iron is engineered for its specific task including center of gravity location, offset (progressive), face thickness, and top line thickness for a perfect blend of distance and accuracy Lifetime warranty and 30-day play guarantee