The head graphene touch speed pwr tennis racket is best suited to mature club players seeking power and speed and offers a larger sweet spot thanks to its oversized 115in2 740cm2 head the racket will provide more wow moments on the court significantly reduced vibrations and an incredible feel due to graphene touch technology and has an open 16x19 string pattern to generate more spin this evenly balanced choice is supplied pre strung with velocity 16 black string to boost durability and deli