Patent ID: 7153219

Claim:
A set of iron type golf clubs, comprising: a plurality of iron type golf clubs, each iron type golf club including a shaft and a club head secured thereto, wherein each club head includes: a primary club head body composed of metal having a first density the primary club head body including a striking face having a loft angle, a facing wall opposite the striking face and a sole extending between the striking face and a rear portion of the primary club head body: a secondary body secured to the facing wall of the primary club head body, the secondary body having a second density that is less than the first density of the primary club head body; and wherein the loft angle is between approximately 16° and 50° and the sole thickness is between approximately 0.900 inches and 2.975 inches, and at least one club head has a loft angle is between approximately 16° and 28° and the sole thickness is between approximately 1.625 inches and 2.975 inches; at least one club head has a loft angle is between approximately 28° and 32° and the sole thickness is between approximately 0.900 inches and 1.200 inches; at least one club head has a loft angle is between approximately 32° and 36° and the sole thickness is between approximately 0.925 inches and 1.225 inches; at least one club head has a loft angle is between approximately 36° and 40° and the sole thickness is between approximately 0.950 inches and 1.250 inches; at least one club head has a loft angle is between approximately 40° and 44° and the sole thickness is between approximately 0.975 inches and 1.275 inches; at least one club head has a loft angle is between approximately 44° and 50° and the sole thickness is between approximately 1.000 inches and 1.300 inches.