Cobra’s Aerojet series of drivers includes three head shapes for three player skill levels and the game-improvement Aerojet has a new aerodynamic head shape with rounded leading edges top and bottom to lessen drag on the downswing. The L-shaped face is variable thickness to aid off-center impacts and the head has a performance enhancing internal PWR-BRIDGE. The sole makes use of a fixed 12-gram weight. $549.00