| 摘要 |
A hollow golf club head includes a face part, a crown part, a sole part, a side part, and a hosel part. The head has a volume of 100 to 250 cm<SUP>3 </SUP>and a weight of 195 to 250 g. The crown part includes a large-thickness crown part formed along an overall edge thereof, and a small-thickness crown part which is formed inside the large-thickness crown part and has a thickness less than a thickness of the large-thickness crown part. The side part includes a heel-side small-thickness side part formed at a heel side, a toe-side small-thickness side part formed at a toe side, and a large-thickness side part which is formed at a portion of the side part other than the heel-side small-thickness side part and the toe-side small-thickness side part and has a thickness greater than thickness of the side parts.
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