Patent ID: 7955180

Claim:
A putter comprising: a club head including a club face, a top surface, and a bottom surface; a plurality of line markings on the top surface including outermost line markings and a center line marking extending in a direction perpendicular to the club face; and a plate disposed adjacent the club head and detachable from the club head, the plate including a top surface having corresponding line markings in alignment with the outermost line markings and the center line marking on the top surface of the club head, wherein the top surface of the plate and the top surface of the club head are substantially coplanar, wherein the plate and the corresponding outermost line markings on the top surface of the plate extend beyond a width of the club head bottom surface, and wherein the outermost line markings on the top surface of the plate are of equal length and are longer than the center line marking.