Adult tennis racket head size midplus racket head size 632 cm head size inches 98 sq in level advanced type of racket all round racket playing properties spin balance 320 mm recommended height from 155 cm weight unstrung 295 g racket balance head light stiffness 72 ra grip size l1 l5 frame material graphite shape oval frame profile min 23 mm frame max 26 mm length 685 cm length inches 27 season 2017 colours black yellow