Cobra Men's Amp Cell Pro Driver MyFly Technology: 1 Driver. 6 settings. Adjust your loft to maximize distance, manage trajectory for different weather and ground conditions, and dial in the club to match your game. SmartPad Technology -Delivers a square face at address regardless of loft setting. For added shot workability SmartPad allows the golfer to slightly open or close the driver as need at address AMP Cell and E9 technology - Frees up additional discretionary weight for a 12% larger effective face delivering faster ball speeds even on mis hits Mitsubishi Rayon Kurokage Shaft