M6 D-Type Speed Injected For Maximum Forgiveness With A Draw Juiced-Up With Speed Injected Twist Face Every M6 D-Type driver has been individually injected to reach the maximum legal limit of ball speed. Step up to the tee with the confidence of having a draw-biased driver with Tour-caliber speed - hit it far and play a draw with M6 D-Type. Speed Injected™ Every head is individually speed tested and injected with tuning resin to optimize COR across the entire face The Speed Injection process is