, non-fading, and ergonomic design Built-in roller moving track design, smooth opening and closing, silent process The main body is zinc alloy, and the shaft is stainless steel, which is and wear-resistant It can be opened or closed at 180 degrees, and can be hovered at any angle within the range, suitable for installation in various places The concealed hinge can be completely hidden in the cabinet / folding table / folding door, the appearance is clean and super elegant, Manufacturer: sodeber