The head graphene radical pro is a great choice for serious players who want a powerful racketball racket with a head heavy balance for more stability optimal weight distribution for a faster swing and incredible power on every shot are provided by graphene xt technology whereas adaptive fan pattern allows for grommet customization and lets you choose between 12 x 16 and 16 x 16 string pattern strung with a highly elastic megablast 16 string the racket delivers maximum power and added durabi