Cobra Men's King F6 Driver (Adjustable Loft) F6 CG TUNING-F6 Drivers featuring adjustable 'Front to Back' CG technology. A front CG position delivers a penetrating ball flight with more roll, while a back CG position delivers a more towering ball flight with greater forgiveness FORGED E9 FACE-A new, re-engineered Forged 8-1-1 Titanium E9 Face has a variable thickness structure that is lighter, thinner and hotter, creating more deflection for faster ball speeds and a larger Sweet Zone across the face MY FLY-Eight easily adjustable loft settings to manage trajectory and fine tune launch conditions to maximize distance on any course, and for any swing SPEED CHANNEL-Speed Channel is an exclusive COBRA innovation. An engineered trench around the perimeter of the face minimizes thickness and increases ball speeds across the face for incredible distance