This Black Knight Ion Element PSX double pack contains two high-quality squash rackets that have been developed with David Palmer. The beam is slimmer & the head-light racket uses Black Knights latest technology to increase its aerodynamic performance. Stiffness, control & balance for hard hitters are delivered by the Nano-Crystalline & Thermal Core technology. The thin Power Nick 19 strings also reduce air resistance & provide excellent power. The rackets come supplied with full length protective covers.