Birch, Stewart, Kolasch & Birch, LLP
Iron-type golf club head
An iron-type golf club head is assembled from a front component (4) made of a metal material having a specific gravity ρ1, a rear component (5) made of a fiber reinforced resin having a specific gravity ρ2 lower than the specific gravity ρ1, a toe-side component (6) made of a metal material having a specific gravity ρ3 higher than the specific gravity ρ1, and a heel-side component (7) made of a metal material having a specific gravity ρ4 higher than the specific gravity ρ1.
SRI Sports Limited
A A A A A A A
A63B A63B A63B A63B A63B A63B A63B
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Takashi
Nakano