| 摘要 |
A face member of a golf club head includes first and second main ribs disposed inside thereof. The first main rib is extended from a crown side to a sole side and the second main rib is extended from a hosel side to a toe side of the sole. The first and the second main ribs intersect with each other at an intersection portion. Additionally, a first groove is provided from the intersection portion of the rib toward the sole side, and a second groove is provided from the intersection portion of the rib toward the toe side. |
