| 摘要 |
<p>This invention provides a golf club head comprising a plurality of scorelines formed in its face. The golf club head is configured such that an angleθof the side wall of the scoreline with respect to the face is 70° or less, the edge of the scoreline has a ridged portion projecting from the face, and a height H of the ridged portion from the face satisfies: 5μm≰H≰20μm.</p> |
