The Adams Idea a12OS irons are a mixed set of hybrids, hybrid-irons and cavity back irons. All of the clubs feature an ultra thin face to produce faster ball speeds for more distance. The hybrid utilize the Velocity Slot Technology from Adams to provide maximum forgiveness and distance. The Center of Gravity is low in all of the clubs to make getting the ball into the air easier. All of the clubs also feature perimeter weighting to keep Moment of Inertia high for improved stability through impact.