20,000 RPM gyroscope ingrains the "feel" of the perfect golf swing * Helps cure hook and slice problems with coming over the top and casting * Gyroscope encased in a metal wood head for protection and realistic visual experience and includes see-through grip guide for ideal hand placement * Gyro Swing includes rechargeable batteries and battery re-charger and head cover * Dual-color shaft visually reinforces that you"re swinging on plane