Using a revolutionary approach to iron design, our generative process compared hundreds of D9 head shapes and Power Hole layouts in the ultimate pursuit of game-improving performance. D9 irons launch higher and spin lower while delivering incredible stopping power for pinpoint accuracy. With D9, playing is believing. Effortlessly Higher Speeds And Greater Distance Strategically positioned, urethane-filled Power Holes enable maximum face flex for improved speeds and an expanded sweet spot you cant miss. Consistency Equals Confidence s lowest-ever center of gravity in an iron increases launch angles and delivers a steeper angle of descent for increased green-side control. Looks The Business. Handles The Course The game improvement features you want, concealed in a players iron aesthetic youll love.