Adult tennis racket head size oversize racket head size 677 cm head size inches 105 sq in stringing 16 x 19 level beginner type of racket comfort racket balance 320 mm recommended height from 155 cm weight unstrung 285 g racket balance head light frame material graphite shape oval frame profile min 24 mm frame max 26 mm length 692 cm length inches 27 season 2015 additional information the offers may vary in grip sizes