Abstract: The invention provides an elongate member (10) usable inter alia as a fence post, formed to constant cross section by a suitable sheet metal roll forming process, the member when viewed in cross section having three arm sections (15, 16, 17) each of double sheet metal thickness radiating from a junction (18), two of the arm sections (15, 16) at their outer edges remote from the junction having their two sheet sections joined through an integral arcuate or other box-section formation (19, 20), while the third arm section (17) has a like formation (21) in which the free terminal edge (11) of one sheet section is contained within a terminal roll (22) of the other sheet section. When used as a fence post, apertures (14) may be provided along one arm section to receive wire, while the normally lower end (13) is pointed to facilitate driving into the ground.