- Controls the vibration and center of gravity transmitted to the hand by eliminating the step in the cavity and allowing the face thickness to flow in a theater-like shape.. Achieves both "feel" and "gentleness" that golfers demand for soft iron forging.
- The universal sole, which is popular with DJ-4, is used for irons for the first time. A gentle sole design that can handle all types of lie and covers duffing mistakes.
- The head size is large for soft iron forging, pursuing ease of hitting for golfers with a head speed of around 40 m / sec.
