ProKennex Ki Q15 (260g) Tennis Racquet (4-3/8) Headsize: 105 sq. in. / 677.42 sq. cm. cm. Length: 27.5in / 69.85cm Strung Weight: 9.8oz / 277.83g Strung Balance: 13.6in / 34.54cm / (HL) String Pattern: 16 Main / 19 Crosses