Adult tennis racket head size midplus racket head size 645 cm head size inches 100 sq in stringing 16 x 18 level professional type of racket tournament racket balance 320 mm weight unstrung 300 g racket balance head light grip size l1 l5 shape oval frame profile min 22 mm frame max 24 mm length 685 cm season 2016 colours red black additional information the offers may vary in grip sizes