ST-G 220 DRIVER Modern Player's Profile that is deeper faced, shorter back to front, but uses the full capacity of the 460cc head size Multi-thickness CORTECH Face that is refined to maximize the return from the Beta Ti Face and improve ball speeds on shots low on the clubface Forged SAT2041 Beta Ti Face composed of Super Alloy Titanium, Vanadium (20%), Aluminum (4%), and Tin (1%) is 17% stronger than commercial 6-4 Titanium and provides enhanced COR to CT performance Dual Weight Center Slot allows 2 central back weights for deeper CG capability, higher stability, launch and spin Three shorter lateral weight tracks combine with two movable weights enable the club to morph from an ultra-low spinning bomber to a highly playable mid-spinning option with fade or draw bias in both HIT tuned Impact Sound ribs strategically placed in the club tune the sound to the appropriate frequency and sound pressure 4 degrees of quick switch loft adjustability let you fine-tune the address look and trajectory Adjustment Tool is NOT Included