D9 Irons D9 MAKES DISTANCE LOOK EASY 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. Our D9 women's irons are balanced and weighted to optimize power from slightly slower swing speeds while smaller grips are optimized for smaller hands. D9 women's irons launch higher and spin lower while delivering incredible stopping power for pinpoint accuracy. With D9, playin