Patent ID: 7481718

Claim:
A golf club head, comprising: a body having a front surface, a sole, a back, a heel, a toe, and a top; wherein: said top defines a recess therein in a central region of the top between said heel and said toe and extending toward said sole, said top has a top line with a length and said recess being of varying depth between 0.01 inch to 0.25 inch within said top line and extending along said top line from 10% to 95% of said length, an insert being positioned within said recess; said body is made of a first material having a first density, said insert is made of a second material having a second density, and said first density is greater than said second density; a first thickness between said front surface and its corresponding rear surface adjacent said top line is less than a second thickness between said front surface and its corresponding rear surface at a central portion of the front surface; and said body has a first volume and said insert has a second volume, wherein the second volume is from 0.5% to 10% of the first volume.