It is a Triangular Extrusion. It can be used as table legs or body of a showcase and so on. Several Triangular Extrusions can be combined into a table or a showcase with S1580. The Triangular Extrusion has three grooves, two for panels, one for S1580. It weighs 0.327kg per meter. The size of the Triangular Extrusion is 31.25*22*22mm. Its max length is 6m. If you have any other requirements, LingTong will meet your needs. It is made of aluminium. The products of LingTong are green and environmentally friendly. If there are some relative needs, LingTong will provide the best service for you in exhibition construction.