Engineered for Mid Trajectory Constant blade length throughout set, blade height progressively increases in higher-lofted clubs * Full Hollow Construction; High performance in a playable design * Face Forged Technology; Every iron has a forged club face to enhance ball speed and feel * Vibration Dampening; Multi-material insert of polymer and aluminum in iron plaque dampens vibration at impact for more consistent feel * Easy-to-hit long irons are blended with more traditional short irons