Patent ID: 8562456

Claim:
A golf club head comprising: a face line having a depth of D 1 (mm); and a land area, wherein if a boundary point between the land area and the face line in a section line of a surface of the face line is defined as Pa; a point of which a depth is T 1 (mm) in the section line is defined as Pb; and a curvature radius of the section line between the point Pa and the point Pb is defined as R 1 (mm), the golf club head satisfies the following formulae (1) and (2): R1>T1 (1) 0.10≦T1≦0.5 (2) and wherein if a bottom face width of the face line is defined as W 2 (mm), the width W 2 is 0.2 (mm) or greater and 0.7 (mm) or less.