to the golf club head 40 via a slider tee 130 attached to a gasket 90 but instead is completely removable in this embodiment a golfer or fitting professional can detach the back cap 80 from the golf club head 40 by removing all of the screws 101 102 103 and alter the location of the weight 120 within the back cap 80 after such modification is completed the back cap 80 can be re attached to the golf club head 40 the golf club head of the present invention may be constructed to take various shapes including traditional square rectangular or triangular in some embodiments the golf club head of the present invention takes shapes such as those disclosed in u s pat nos 7 163 468 7 166 038 7 169 060 7 278 927 7 291 075 7 306 527 7 311 613 7 390 269 7 407 448 7 410 428 7 413 520 7 413 519 7 419 440 7 455 598 7 476 161 7 494 424 7 578 751 7 588 501 7 591 737 and 7 749 096 the disclosure of each of which is hereby incorporated in its entirety herein the golf club head of the present invention may also have variable face thickness such as the thickness patterns disclosed in u s pat nos 5 163 682 5 318 300 5 474 296 5 830 084 5.