DESIGN: New Flex Force graphite incorporated in the upper throat to lower frame Aerodynamic technology features a faster frame or more spinLI> Vibration dampening mesh for added touch and precision String sync grommets for ball bite and spin Strong, elastic graphite added in throat to improve frame stability and flex Square-shaped ISOMETRIC(TM) to generate 7% larger sweet spot SPECS: Head size: 100 sq. in. Weight: 300g / 10.6oz Length: 27 in. String pattern: 16 x 19 Balance: 320mm