2013 marks the addition of the Tecnifibre TFight 315 Limited in an 18x20 string pattern option, and calls out their new partnership with the ATP World Tour. Tour Prepared technology utilizes silicon in the handle lay up, as inspired by racquet preparation for tour players, improving feel and frame feedback while filtering out harshness.The TFight 315 offers a heavier static weight/head light balance that offers outstanding feel, further enhanced with a leather grip. The dense 18x20 string pattern further suits itself to more aggressive players seeking control and maneuverability, with added stringbed stiffness.Racquet Specifications:Headsize: 95 sq. in.Length: 27.00 in.Weight (strung): 11.60 oz.Stiffness (Babolat RDC): 60Balance: 12.60 in. Head LightCross Section: 21 mm Straight BeamSwingweight: 306 kg*sq. cmString Pattern: 18x20Grip: Tecnifibre Leather Grip