Adult tennis racket head size oversize racket head size 677 cm head size inches 105 sq in stringing 16 x 19 type of racket all round racket playing properties control balance 330 mm weight unstrung 262 g racket balance even grip size l2 l3 shape oval frame profile min 25 mm frame max 26 mm length 692 cm season 2017 player roger federer colours black red additional information the offers may vary in grip sizes and in designs