100% graphite one piece tennis racket Product name:100% graphite one piece tennis racket Product no.:8987(new! ) Construction:100% hi-graphite Unstrung weight (g):230 - 240 String tension (lbs):55 - 60 Balance point (mm):350 +/- 7 Length (mm):690 +/- 2 Head size:110" sq. In. Note: 1. High quality of pu grip. 2. High quality of twaiwan nylon string. 3. Full canvas cover 20pcs/ctn, 73x34x46cm, 14kg/13kg