Abstract: An adjustable golf club putter head is disclosed herein. The putter head includes a removable top plate that can be swapped with a different top plate with a different material composition and alignment pattern to affect the cosmetics of the putter head and also adjust the putter head's mass properties.

Abstract: Golf club heads include white diffusing top surfaces to aid in club head alignment. Wood type club heads also include a dark diffusing club face so that a crown/face border is emphasized. Scorelines in wood type clubs can be provided with an intermediate contrast surface, and can be displaced from club face center to accommodate player perception when confronted with a white diffusing crown. Putter heads can include dark diffusing alignment lines, and iron-type club heads can include white diffusing surfaces at a sole portion of a club face, at a top line, or a top portion of a club face.

Abstract: An improved putter comprising concentrations of mass near a heel and a toe and a wide profile is provided. The golf putter generally comprises a golf putter head comprising a face, an upper surface, a sole, a rear surface, and sides and a shaft. A heel-side comprises a heel-side forward scalloped portion and a toe-side comprises a toe-side forward scalloped portion. The heel-side and toe-side forward scalloped portions each extend upward from the sole. The heel-side further comprises a heel-side angular scalloped portion and the toe-side further comprises a toe-side angular scalloped portion. The heel-side angular scalloped portion extends at an angle from the rear surface towards a forward heel corner, said the toe-side angular scalloped portion extends at an angle from the rear surface towards a forward toe corner. A rear surface comprises a central scalloped portion. The head may be transparent and comprise a sight member.