Patent ID: 8858357

Claim:
A golf club head comprising: a striking face portion, defining a striking face plane, positioned at a forward portion of said golf club head; a body portion, connected to an aft portion of said striking face, positioned at a rearward portion of said golf club head; and a hosel portion, defining a hosel bore axis, positioned at a heel portion of said golf club head, adapted to connect to a shaft; wherein said hosel portion forms a hosel sub-element, said hosel sub-element has a total mass of less than about 50 grams; said hosel sub-element, defined by an intersection of a first plane and a second plane, contains a portion of said clubhead from said first plane to the very heel of said clubhead from top to bottom, and from said second plane to the very front of said clubhead from top to bottom, said first plane is parallel to both said hosel bore axis and said striking face plane, and is offset 15 mm towards said rear portion of said golf club head from said hosel bore axis in a Z HBA direction; said Z HBA is defined as an axis perpendicular to a hosel bore axis in a front to rear direction, and said second plane is parallel to said hosel bore axis and perpendicular to said striking face plane, and is offset 12 mm towards a toe portion of said golf club head from said hosel bore axis in a X HBA direction; said X HBA is defined as an axis perpendicular to said hosel bore axis in a heel and toe direction; wherein said hosel releasably connects said shaft to said golf club head, and wherein said golf club head has a Moment of Inertia (MOI) about a Y-axis of greater than about 460 kg*mm 2 ; sand Y-axis runs vertically across said golf club head in a crown to sole direction.