A shallow head with a large projected area and a sense of security. The face angle is set to straight while emphasizing the psychological ease of climbing the ball. Like the driver, the 2-piece structure of a cup face that uses a new material, titanium zirconium alloy with a light specific gravity, and a stainless steel body that has a new structure and a core system to ensure a well-balanced center of gravity position, results in a low and deep center of gravity value. , Which makes it easy to pick up the ball and has a high trajectory. The moderate round sole shape has good seating and pullout that can be selected from lie. A high moment of inertia head with new materials and new structure.