Patent ID: 8177661

Claim:
A golf club comprising: a golf club shaft; a club head body comprising a striking face, a crown, a sole, and a hosel; an adjustable head-shaft connection system comprising a sleeve and a screw, the sleeve being positioned within the hosel and configured to couple the shaft to the hosel in a plurality of different configurations relative to the body, the screw comprising an annular shoulder portion with a spherical surface and being insertable through the sole region of the body and configured to secure the sleeve and shaft to the body; and at least two weights attachable to and removable from the body at a plurality of different positions relative to the body; wherein the head-shaft connection system further comprises a tapered annular surface configured to contact the spherical surface of the screw when the screw is inserted through the sole region and securing the sleeve and shaft to the body, and wherein the spherical surface of the screw and the tapered annular surface are configured to make 360 degrees of contact with each other when the shaft and the hosel are coupled in any of the plurality of different configurations.