It is a Square Extrusion. It can be used as table legs or body of a showcase and so on. Several Square Extrusions can be combined into a table or a showcase with S1175 and S1105B. The Square Extrusion has three grooves, two for panels, one for S1175. It weighs 0.850kg per meter. The size of the Square Extrusion is 32*32mm. 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.