Adult tennis racket head size oversize racket head size 658 cm head size inches 102 sq in stringing 16 x 19 level advanced type of racket all round racket balance 330 mm recommended height from 155 cm weight unstrung 275 g racket balance even grip size l0 l5 shape oval length 685 cm length inches 27 season 2017 additional information the offers may vary in grip sizes and in designs