The volkl super g 10 mid 330g tennis racket has a slightly larger more forgiving head 619cm2 for greater control and boasts super g grommet system for excellent vibration dampening and energy return this powerful head light balanced racket is best suited to strong intermediate and advanced players and helps to focus on the hitting zone and keep attention on the ball thanks to optispot technology enhanced dynamic power is provided by organix technology plus the racket features bio sensor te