4U, G4. Medium stiff. Even Balanced. Strung with Yonex BG65 at 24 lbs. * I guarantee authenticity of all my racquets because I buy them myself from reputable, authorized dealers. Please do not ask me repeatedly about authenticity as I have done my best to take detailed pictures and describe the racquet truthfully. I am just an avid club player who buys many racquets to try out before settling on one that I like so I have to sell the rest. Please see my feedback on past racquets sold. I also encourage you to get the racquet checked out for peace of mind. Thank you for your interest.