Features:*Made of effective material, and lifelike to use*Self Closing Design.*Hinge is normally used for doors. They are very strong yet cannot be adjusted after they are fitted.*Install by screw, screw isn't included here.*In order to realize automated closing effect, it is recommended that should use at least 2pcs spring hinge.Specifications:Material: 304 Stainless Steel.Color: Silver.Size:2/3/4inchPackage Contents:2*Spring hingesNote:1. The real colour of the item could also be barely varied from the pictures proven on web page brought on by many factors akin to brightness of your display screen and light brightness.2. Please allow slight manual measurement deviation for the data.