Adams Golf a12OS Hybrid Iron Set (#4h-#6h, 7-PW, SW) - Graphite Shafts Adams Idea A12OS (2014) There's an actual wrap-around slot - never seen before in golf clubs - that expands the sweet spot for up to 44% more speed on off-center shots and 23% more speed on center shots compared to the industry-leading Idea a12OS Higher launch from the lowest center of gravity Adams has ever had in their hybrid irons More ball speed and more forgiveness where you hit it most