Adult tennis racket head size midsize racket head size 645 cm head size inches 100 sq in stringing 16 x 19 level advanced type of racket all round racket balance 330 mm recommended height from 155 cm weight unstrung 270 g racket balance head heavy stiffness 72 ra frame material graphite shape oval length 685 cm length inches 27 technologies babolat aero modular babolat fis babolat gt season 2016 additional information the offers m