The Black Knight Ion Galaxy squash racket double pack consists of two rackets offering the BK Thermal Core technology which results in enhanced durability & faster racket recovery during impact. The rackets incorporate the Nano-Crystalline Technology (NCT) to deliver a larger sweet spot & great control for hard hitters such as David Palmer. They have a head size of 77.5in 2 (500cm 2) & feature an open string pattern (16 x 19) for more spin & an amazing feel. The 16K Hyper Tensile Fibre (HTF) provides more structural strength & durability, while the Power of 6 guarantees optimum performance. The Ion Galaxy rackets weigh 135g (4.7oz) & are strung with the Power Nick 18 string. In addition, they are head light balanced for extra manoeuvrability.