The standard extrusion connecting post is inserted into WB261-01 to be used for connection 4.3mm grooves standard extrusion. It can be connected with beams by extension extrusions. The beam can be used to link something like panels. This design makes it easy to make any adjustments when exhibiting and also helps with multiple uses. Its size is 26*16mm. It weighs 0.346kg for per meter. Its max length is 6m. If you have any other requirements, LingTong will meet your needs. It is made of aluminium. If there are some relative needs, LingTong will provide the best service for you in exhibition construction.