It is a Quarter Round Extrusion. It is in the shape of a quarter circle. Four Quarter Round Extrusions can be combined to form a circle. It also can be combined with other extrusions to use. E450 can be used when the quarter round extrusion is used in combination with another extrusion. It also can be equipped with end cover, S630. The depth of groove is 10.5mm. The width of the extrusion is 16mm. The radius of the quarter round extrusion is 88mm. 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.