Abstract: An improved putter-type golf club head configuration including a heel, toe, upper surface, bottom surface, rear surface and ball striking face having a center of percussion centrally located. The improvement includes the T-formation located at the rear portion of the club head with a weight that is designed to interlock and provides support to stop projection designed in form and alignment of both club head and weight. Secured in movement by a machine screw at base of club head, which is centrally positioned between the T-formation and toe, in order to prevent movement of weight by the applied pressure to the inner wall of club head.