Cobra king f6 driver green impressive distance and greater accuracy at your fingertips the new cobra king f6 titanium driver puts improved distance and accuracy at your fingertips with cobrarsquos cg technology you set up the club to suit your swing using cg tuning and mcfly technology and then improved performance is only a swing away the dual weight system of the cobra king f6 utilises centre of gravity technology to give you your ideal spin and launch conditions simply set the cg