| 摘要 |
A hollow golf club head comprises a main body made of at least one kind of metal material, said main body provided with an opening having a surface area projected onto the head surface in the range of from 15% to 70% of the entire surface area of the head, and a cover member attached to said main body so as to cover said opening, said cover member made of a fiber reinforced resin having a resin content in the range of from 25% to 60%.
|
