Adams Golf Idea A12OS Sandstone Ladies' Executive Petite Set (Right-Hand, Ladies' Flex) by Adams. Save 17 Off!. $499.99. The Adams Lady Idea A12 OS 8-Piece Full Set are built with ultra thin faces, perimeter weighting, and low centers of gravity throughout the set. This set of game improvement irons features improved transitional hybrids (patented) as well as hybrids that feature Velocity Slot Technology, which provides substantially more forgiveness and better launch conditions.