[Material]:This Self Closing Spring Door Hinge is made from sturdy and practical stainless steel,ensuring longevity and reliability in use [Automatic Close]:The Door Hinges feature an automatic close,providing convenience and efficiency in daily use [Versatile Application]:These Hinges are typically used for doors.They are extremely sturdy once installed,however,please note that they cannot be adjusted after installation [Installation]:The hinge is installed using screws (please note that screws are not included in the package) [Package Included]:6 Self Closing Spring Door Hinges for your convenience, Weight: 0.72532084198 Pounds, Manufacturer: Zambuph