This lightweight & manoeuvrable racket from Black Knight is packed with technologies delivering a fast & powerful frame. The Ion Quartz PSX squash racket has a 500cm 2 (77.5in 2) head & features an aerodynamic frame thanks to the Thin-K technology. It incorporates the Power Surge technology providing extra power & stiffness & the Nano-Crystalline Technology (NCT) for fine-tuning of the weight & balance as well as greater control for hard hitters. enhanced performance is guaranteed by the Power of 6 technology, while the Power Nick 19 string offers an extra bite on the ball.