Adams Golf- XTD Tour Limited Edition Irons Steel (8 Iron Set) An industry-first cross-cavity technology helps keep errant-struck shots on their proper path Pressure Piston to soften vibration and sound after contact, a face impact damper dramatically decreases vibration for unmatched feel and sound Players will immediately take note of the improved alignment on XTD Tour Irons. Framed scorelines include a polished finish to set the club on its correct line at address