Patent ID: 7815520

Claim:
A putter head comprising: a body having a front striking surface, a bottom surface, a center of gravity located at least 30 mm rearward from the striking surface and less than about 13 mm from a horizontal ground plane contacting the bottom surface, and a moment of inertia of at least 400 kg-mm 2 a face portion defining the front striking surface in a front portion; a rear portion; a heel portion extending from the face portion to the rear portion; a toe portion extending from the face portion to the rear portion, the heel and toe portions being on opposite sides of the longitudinal axis of symmetry of the putter head; a central portion located between the heel portion and the toe portion and extending from the face portion to the rear portion; wherein the heel portion and the central portion define a first main opening in the putter head and the toe portion and the central portion define a second main opening in the putter head and the heel portion and the toe portions extend between respective ends of the front portion and the rear portion, the heel portion and the toe portion converging from the front portion to the rear portion; and wherein the heel portion includes at least one first member extending a majority of the length of the putter head and the toe portion includes at least one second member extending a majority of the length of the putter head to converge in the rear portion; and at least one removable weight and at least one cavity formed in the putter head body for receiving the at least one removable weight.