Putter head and putter head set

Abstract

A putter head has the performance and characteristics of a putter, such as appearance, center of gravity, moment of inertia, ease of finding a putting line, and ease of setting, and can be adjusted by easily changing the shape of putter head by the golfer himself or herself, and a putter head set is also provided. A putter head includes a body member having a face surface for hitting a ball, and a back member detachably installed to the body member. The back member is detachably installed to the body member with one screw only.

Dependencies are inferred from the claim text.