Featuring power strings and mega power holes technologies the wilson jammer racketball racket offers explosive power to let you beat your opponents with ease the racket is best suited to beginners and intermediate players and has a head size of 107in2 6903cm2 the included vibration dampener reduces vibration to the hand to ensure a firm and comfortable grip whilst extreme power frame technology further enhances power the jammer is constructed from graphite alloy for optimum playability a