| 摘要 |
An iron-type golf club head is assembled from a front component (4) made of a metal material having a specific gravity &rgr;1, a rear component (5) made of a fiber reinforced resin having a specific gravity &rgr;2 lower than the specific gravity &rgr;1, a toe-side component (6) made of a metal material having a specific gravity &rgr;3 higher than the specific gravity &rgr;1, and a heel-side component (7) made of a metal material having a specific gravity &rgr;4 higher than the specific gravity &rgr;1.
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