A golf club of the so called putter type comprising a cylinder shaped head (10) with a vertical semi-through hole (15) placed in the middle of the cylindrical surface, a second threaded hole perpendicular to the first one for the insertion of a screw (16), a shaft (11) of adjustable length inserted in the first hole, with the first portion inserted in said semi-through hole, vertically and orthogonally relative to said head and comprising portions, one opposite to the other, folded at an angle in relation to the first vertical portion, the angled upper portion terminating with an end which is parallel to the ground when the club is in its position of use, said end in its turn supporting the grip formed by two spheres (12, 12') of different diameter, with the inner sphere (12') capable of sliding along the shaft.