| 摘要 |
A golf club set comprises golf clubs with different club lengths, each golf club comprising a hollow golf club head, the golf club head with a face portion having a clubface for hitting a ball, the face portion comprising a central thicker portion, a toe-side thinner portion with a thickness smaller than that of the central thicker portion, and a heel-side thinner portion with a thickness smaller than that of the central thicker portion, wherein in a front view of the club head under a standard state, the toe-side thinner portion is provided so that a centroid thereof is placed upward than a center of the clubface, the heel-side thinner portion is provided so that a centroid thereof is placed downward than the center of the clubface.
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