Patent ID: 8608589

Claim:
A hollow metalwood type golf club head comprising: a striking face portion located at a frontal portion of said golf club head; a body portion connected to an aft portion of said striking face portion; a thickened sole portion connected to a sole cavity of said body portion; wherein said thickened sole portion has a surface area to thickness ratio of less than about 1000.0 mm, said surface area to thickness ratio is defined as a surface area of said thickened sole portion divided by a thickness of said thickened sole portion, and a weight attached to an external surface of said thickened sole portion, wherein said golf club head has a density ratio of greater than about 2.0, said density ratio is defined as a density of said weight divided by a density of said body portion, and wherein said attachment of said weight to said thickened sole portion utilizes a mechanical lock.