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. Driver/Slider Grind: - Moderate Angle of Attack - Classic "Dollar Bill" Divot - Typical Mishit: Thin and Fat - Medium Effective Bounce