Iron golf club set which comprises a plurality of iron clubs having different loft angle between the face of the head and the axis of the shaft of the club. All or some of the clubs in the set have face progression values, which are a distance between the bottom leading edge of the face of the head and the axis of the shaft, which are reduced consecutively or in steps in accordance with a decrease in the value of the loft angle, i.e., a decrease in the club number.
