Patent ID: 7811181

Claim:
A golf club head comprising: a body comprising an aft body with a face component attached to an open front of the aft body; the aft body comprising a crown portion and a sole portion; the face component comprising a weight piece, wherein the weight piece comprises a striking plate insert and return portions; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters; 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; and wherein the golf club head has a moment of inertia Izz about the Z-axis through the center of gravity of greater than 3000 g-cm 2 and a moment of inertia Iyy about the Y-axis through the center of gravity in the range from 2000 g-cm 2 to 4000 g-cm 2 .