The Scratch AR-1 irons are forged from 1018 carbon steel, the softest used by anyone making clubs in the industry. The headshape of the AR-1 irons were inspired by Scratch tour pros, a classic-clean look. Then brushed with a satin finish. Digger/Driver Grind: - Steep Angle of Attack - Large, Deep Divots - Typical Mishit: Fat - High Effective Bounce