| 主权项 |
1. A golf club head having a face for striking a ball, comprising:
a head main body having a hollow therein, a weight member disposed in the hollow and extending from its first end to its second end, wherein a first end side portion of the weight member is secured to a first position of the head main body rotatably around a first axis at the first position so that a second end side portion of the weight member is movable to at least a second position and a third position of the head main body which positions are on a locus described by the first end side portion of the weight member during rotating about said first axis, and a fastener for fixing the second end side portion of the weight member to any of said at least second and third positions of the head main body. |
