The Head Graphene Radical 170 racketball racket incorporates a 106in 2 (684cm 2) head with a diagonal string pattern of 16x 16 that ensures reduced vibration. It is constructed from Graphene, the worlds lightest & strongest material that facilitates swinging & helps generate more power. The racket also incorporates the Durazone & Power Channels technology which eliminates 33% of the grommet holes in the rackets head. It is supplied head light balanced for easier manoeuvrability & comes strung with the Megablast string that delivers maximum power & added durability. The racket has been equipped with the Hydrosorb Comfort grip providing a soft feel, as well as excellent comfort & tackiness.