| 摘要 |
PROBLEM TO BE SOLVED: To reduce air resistance of a hosel part and inhibit the weight increase in the heel side of a golf club head.SOLUTION: The golf club head includes: a hosel part which is formed in the heel side of the golf club head and inserted with a shaft; and an extension part which extends from the hosel part to the back side of the golf club head, the extension part includes a tip part of the face part side and a rear end part in the back side, the tip part is connected with an area in the heel side among a heel side area and a toe side area in the hosel part and the rear end part is located in the toe side opposite to the tip part.SELECTED DRAWING: Figure 1 |
