FEATURES Flex Force graphite located in the upper throat of the lower frame allows the racquet to quickly flex and snapback for maximum spin potential Stretchy mesh material is wrapped around the graphite in the grip filtering out unwanted vibrations SPECS Unstrung Aero Trench and Aero Fin Technology reduce air resistance for easy maneuverability and added spin Square-shaped ISOMETRIC(TM) racquet generates a 7% larger sweet spot delivering greater control without sacrificing power Thin grommet nozzle inserted into a larger frame allows the string to move together with the grommet resulting in faster snapback