Patent ID: 6984179

Claim:
A set of golf club shafts, comprising: at least a first shaft and a second shaft, each said shaft having only a tip section, a butt section, and a tapered section which interconnects said tip and butt sections, said first shaft tapered section having a length which is longer or shorter than a length of said second shaft tapered section by a predetermined increment, said shafts being metal or a metal-matrix composite, wherein the shafts of the set have shaft tapered sections which all have a) a step-down tapered section having a plurality of steps along the entire length of said tapered section or b) a taper section having a substantially constant taper rate along the entire length of said tapered section, and wherein said first shaft having a step-down tapered section includes two or more individual steps which have a different length compared to the corresponding steps of said second shaft, wherein the butt sections of all shafts of the set are substantially equal in length with said length being about 8 to about 12 inches, and wherein said first shaft with said substantially constant rate tapered section has a taper rate which is greater or less than a taper rate of said second shaft tapered section wherein said butt section of each shaft has a substantially constant outer diameter along the entire length and wherein said set of golf club shafts is for a set of irons clubs with each shaft being for a different club number.