• Perimeter Weighting System improves torsional stability • Fused graphite/aluminum construction blends stiff and flexible properties for excellent playability • Extra length provides extended reach and court coverage • Cushion-Aire Grip lends more comfortable grip on racket handle • Midsized head provides enhanced feel and control • Designed in the spirit of Wilson's iconic Pro Staff performance series • Pre-strung • Age Group : Adult • Head Size : 103 sq in / 665 sq cm • Length : 27.25 in / 69.2 cm • Series : Pro Staff • String Pattern : 16x20 • Strung Weight : 10.05 oz / 285 g • Unstrung Balance : 4 pts HH / 36 cm • Unstrung Weight : 9.5 oz / 269 g