Lightweight: Our patent pending Diamond Plastic has an extremely low density allowing this to be our lightest head ever  Fast: What makes this head fast? Science. Well, aerodynamics. This is the most aerodynamic head in our line allowing your stick to cut through the air like you wouldn’t believe Specialty Screws: Screws designed specifically to sit flush in the Ion to provide a comfortable grip and lock tight connection Designed and made in the U.S.A. with precision and love If stringing or dye options are selected this product will not be valid for return or exchange