Prince Warrior 100L ESP Tennis Racquet (4-1/8) Great racquet combining power, comfort and spin for baseliners. The ESP technology gives you great spin ESP Technology (Extreme Spin Pattern). Headsize: 100 square inches / 645 sq. cm Length: 27 inches / 68.6 cm Weight (unstrung): 9.0 oz / 255 grams (strung): 9.5 oz / 270 grams Stringing: 14 Mains x 16 Crosses