BLACK KNIGHT ION STORM XT SQUASH RACKETDescription: The Storm XT uses Thin K technology in a fast and powerful bridged frame. It is also equipped with: Nano Crystalline Technology (NCT) which is an additive incorporated into the carbon fibre that not only helps reduce vibration but binds the fibres for added durability. BKs Thermal Core technology (TC) in which the racquet is pressurized with superheated air while it is being cured in the ovens. This allows for a uniform curing process