Adult tennis racket head size midplus racket head size 645 cm head size inches 100 sq in stringing 16 x 19 level professional type of racket tournament racket balance 320 mm weight unstrung 300 g racket balance head light grip size l1 l4 frame material graphite shape oval season 2016 player angelique kerber special feature compatible with smart tennis sensor colour orange additional information the offers may vary in grip sizes