The Wilson Four tennis racket has a head size of 105in 2 (677cm 2) & is head heavy balanced to provide more stability & power. It weighs 244g (8.6oz) & has an open string pattern (16x 19) to generate more spin & ensure fantastic feel. Thanks to the Hammer weighting combined with the BLX technology, the racket guarantees outstanding versatility, excellent manoeuvrability & great feel. It is designed for the players searching for balance of power & comfort in their game.