Patent ID: 7938742

Claim:
A golf club head comprising: a body having a crown, a sole and a hollow interior; a striking plate insert attached to the body, the striking plate insert being composed of a material having a density greater that that of the body; and a weighting member; wherein a center of gravity of the golf club head is located less than approximately 1.7 inches from an exterior surface of the striking plate insert; wherein the golf club head has a robustness efficiency parameter of less than approximately 0.410; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters; wherein the golf club head has a moment of inertial Izz about the Z-axis through the center of gravity of greater than 3000 g-cm 3 and a moment of inertial Iyy about the Y-axis through the center of gravity in the range from 2000 g-cm 3 to 4000 g-cm 3 .