| 摘要 |
<p>PURPOSE: To provide an iron golf club head which can have the gravity center position of the head main body and the size of the sweet spot optionally adjusted and set without varying the volume and shape of the head main body and facilitates the clamping of different kinds of material. CONSTITUTION: At the peripheral edge part of the head main body 1, plural weight screw members 2 which are larger in specific gravity than the head main body 1 are fitted at specific intervals from the toe side X to the heel side Y. The weight screw members 2 are fitted penetrating the head main body 1 from the face 3a to the back face, and the head parts 2a of the weight screw members 2 are fitted detachably in level with the faces 3a.</p> |
