Features: The use of a spring door hinge can automatically close the door, when the door opens more than 90 degrees, the positioning beads inside the hinge will automatically position on the card slot, keep your door fixed in the open state. Make of iron, Enduring to use indoors and outdoors, suitable for various types of door or cabinets. Removable cores and reinforced shafts allow for easy disassembly and long terms durability. Easy To Install: Coming with screws, it can be easily installed. It can be installed behind door, cabinets, shoe cabinets, louvers, ventilation openings, and any other place that require automatic closures, making life convenient. Specifications: Materials: Iron Color: Silver/Black color/Gold Size: as shown in the picture Package Includes: 1pc Door Closers Hinge note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.