ProKennex Kinetic Extreme SpeedKinetic Extreme Speed is the perfect racquet for the all round player, characterized by the octagonal shape of the head for greater stability, a rigid insert between the oval and the stem and a shaft with regular flexibility. BRAND ProKennex RACKET LENGTH 673 mm FRAME PROFILE 10,15 mm, 10,95 mm WEIGHT 82 gr, 85 gr BALANCE 288 mm, 283 mm SHAFT FLEX Regular STRING DIAGRAM 22 x 22