It is a Quarter Round Extrusion. It can be used as four sides of the desktop or table legs or body of a showcase and so on. Several Quarter Round Extrusions can be combined into a table or a showcase. The Quarter Round Extrusion has three grooves, two system grooves for panels, another for screws to put glasses and the third side is a smooth quarter-circle surface. It weighs 0.499kg per meter. The size of the Quarter Round Extrusion is 24*24mm. The depths of two system grooves both are 8mm. 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.