Patent ID: 7819757

Claim:
A golf club head, comprising: a body including a front wall defining a striking face and a rear surface opposite said striking face; an insert coupled to said rear surface, said insert having a varying rearward thickness, wherein said insert comprises a plurality of regions having different thicknesses and a thickness transition zone between each of the regions, wherein said plurality of regions comprises a first region of greatest thickness, said first region comprising a major portion of said insert; wherein said plurality of regions comprises a first region having a first thickness, a second region having a second thickness, and a third region having a third thickness; said first thickness being greater than said second thickness and said second thickness being greater than said third thickness; wherein said first thickness is from 0.07 to 0.09 inch, said second thickness is from 0.03to 0.05 inch, and said third thickness is from 0.01 to 0.03 inch.