Patent ID: 7959522

Claim:
A golf driver head kit comprising: a front portion including a hollow frame section having a front face plate and a hosel projecting upwardly from the frame section; and a plurality of exchangeable rear portions selectively connectible to the front portion, each rear portion including a forwardly facing edge arranged to mate with the frame portion, the rear portions having different respective external shapes for imparting different effects to golf shots; and a releasable fastening structure for selectively securing a selected rear portion to the front portion, wherein a combination of the front portion and each rear portion defines a golf driver head, wherein each selected rear portion is configured to be separated from the front face plate by an empty space, and wherein the plurality of exchangeable rear portions includes at least two of: i) a rear portion of generally rectangular shape; ii) a rear portion of generally triangular shape; and iii) a rear portion of generally reverse C-shape, wherein all shapes are from a top view.