HEAD Metallix 6 : Finally a tennis racquet that has everything you're looking for - Power, Maneuverability and Control. Featuring Flexpointâ„¢ construction and Metallixâ„¢ technology, this racquet is for players with short compact swings looking to. The Power Series is designed to help players get the very most out of their particular swing and playing style. With the innovative new HEAD Metallix, for example, that HEAD has incorporated into racquets that are unbelievably light and strong with power that just can’t be chained down. A new lightweight power racquet with great maneuverability, offering excellent stability and comfort.