Adult tennis racket head size oversize racket head size 677 cm head size inches 105 sq in stringing 16 x 18 type of racket tournament racket playing properties control power balance 335 mm weight unstrung 275 g racket balance even grip size l0 l5 shape oval frame profile min 22 mm frame max 26 mm length 69 cm technologies head graphene touch head mxg season 2017 colour black additional information the offers may vary in grip size