The Black Knight Ion Storm squash racket double pack comprises of 2 premium quality rackets with a stylish, eye-catching design. The rackets are perfect for the players looking for ultimate control & come strung with the Po Wer Nick 18 string providing a great combination of playability & durability. They have a head size of 73.6in 2 (475cm 2) & incorporate the Nano-Crystalline Technology (NCT), which combined with the Ion frame results in a larger sweet spot & even greater control for hard hitters. The Storm rackets weigh 135g (4.7oz) & feature the Extreme Modulus Graphite for reduced vibration, extra durability & faster frame recovery during impact. In addition, the Ion Storm is designed for David Palmer.