BLX™ is the new Wilson racket technology engineered with BASALT fibers combining proprietary frame, grommet and grip technologies for THE PERFECT FEEL. BLX™ allows the manufacturer, in this case Wilson Sporting Goods, to fine tune the composition, geometry, grommets and grip of each racket to maximize the feel for each player type. All is left is for the stringer or retailer, e.g. Badminton Alley, to customize the right string and tension to meet the customer type of play. The addition of BASALT fibers to the graphite matrix filters out the unwanted, extreme frequencies that are uncomfortable and distracting from the pure sensation of the racket to achieve a cleaner feel at shuttlecock contact.