Mid Panel-clamping Extrusion is the extrusion which is used to connect two panels. And it is put into the middle of the panels to clamp two panels. Its max length is 6m. If you have any other requirements, LingTong will meet your needs. It weighs 0.500kg for per meter. It is made of aluminium. W1582 is for the wall system of 80mm square extrusion. Its size is 58*8mm. The one side of the extrusion is inserted to one of the grooves of 80mm square extrusion and the other side is used to clamp the two panels. If there are some relative needs, LingTong will provide the best service for you in exhibition construction.