Features:* * Made of material, and practical to use * Self-closing design.* Brushed finish.* The hinge is usually used for doors. They are very strong, but cannot be adjusted after mounting.* Install with screw, screw is not included here.* Applications: Gift Boxes, Instrument Boxes, Cosmetic Boxes, Windows, Cabinets, Jewelry Boxes, etc. In order to achieve the automatic closing effect, it is recommended that each box cover should use at least 2 pcs spring hinge. Specifications:Material: 304 stainless steel.Color: silver. Size: 1/1.5/2/2.5/3/4 inch Package Contents:2 * Spring HingesNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.