Grip size: 4 | 4 1/2 Pre-strung The Wilson Ultra Power 103 Tennis Racquet provides extreme power and lightweight maneuverability Extra handle length offers extended reach and court coverage BLX Technology filters out vibrations for cleaner feel Cushion-Aire Perforated Grip lends more comfortable grip on racket handle and improved moisture absorption  Product Specifications: Head: 665cm² (103in²), Length: 69.2cm, String Pattern: 16x19, Unstrung Weight: 9.2oz (262g), Stringless Balance: 4 pts HL (33.2cm), Strung Weight: 278g Product Colour: Black / Blue