---Features:Hinge with SpringBrushed finishSelf Closing DesignMade of Stainless Steel 304Screws not includedApplications: gift boxes, instrument boxes, cosmetics boxes, window, cabinets, jewelry boxes, etc. In order to achieve automatic closing effect, it is recommended that each box cover should use at least 2pcs spring hinge. ---Notes:1.hinge is very strong but cannot be adjusted once they are fitted.2.Screws are not included, each hinge needs 3 screws to mount.3.Please allow 0.5inch differences due to manual measurement.4.The color of items may be slightly different from the pictures due to the light and screen difference.