| 摘要 |
The backside 168 of a golf iron head 58 comprises a cavity 170 with a floor surface 176 and sides 174 and a support column 180 having a circumference 186 and an axis 182. The column 180 is positioned behind the planar striking face 57 of the head 58 and axis 182 is parallel to planar face 57 and lies within a plane that is perpendicular to face 57 and includes the centre of mass 59 of the head 58. <IMAGE> |
