YouTek IG Instinct Mid Plus has been designed to meet the needs of Maria Sharapova.Tehnology Youtek D30 Integratm Head Size 100 sq. inches Weightunstrung 10.6 oz 300 g Length Standard, 27 inches Beam 232521 mm Balanceunstrung 1 HL 300 mm Grip HybroSorbtm Tour String Pattern 1619 Recommended String FXPtm Tour Swing Style L3Featuring new areodynamic frame geometry, high tech materals and benefits of D30tm and Integratm. This new racket shape is slim and aerodynamic at the top, while solid and stable inthe shaft. The combination of the two results in higher swing speeds, better maneuverability and less energy loss during impact. In key areas of the frame the racket has larger comfort grommets and an all new16 by 19 string pattern to give the comfort and feel of an allaround perfect racket.