It is a Beam extrusion/26mm in showcase system. The beam can be connected with other extrusions by tension locks for vertical bracing. It has no groove where can put panels. Its size is 25*16mm. Its max length is 6m. It weighs 0.390kg per meter. If you have any other requirements, LingTong will meet your needs. Beam extrusion/26mm is very versatile and practical. It is a multifunctional part. 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.