| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a putter head with high direct advance property and propulsion performance which can be easily adjusted by a golf player himself except for during plays.SOLUTION: In a putter head 1 having a cavity structure whose size is equal to or larger than that of a golf ball on a rear side, and a structure where an edge 2 of a sweet area on part of a putter face 1b can be exchanged by a user himself; a hosel 3 which connects the putter head 1 with a putter shaft 4 having line-ups on an off-set of a neck is provided so that the user himself can adjust and recombine a relative physical relationship between the user and the center of gravity of the putter head 1.</p> |
