It is a Side Seal Extrusion in showcase system. One end of the side seal extrusion is inserted into the groove of extrusion, and the other end of the side seal extrusion is used for door panels. It works together with K0505 to protect the door panels. The edge of the extrusion helps to slide the door panel. Its size is 19.7*25mm. It weighs 0.188kg per meter. 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.