M89B Self Closing Fence Springs Heavy Duty Door Hardware Adjustable Tension With Latch Hinges Screws Include BlackOOTDThe Features: Convenient Self-Closing Gate Springs designed to automatically close gates and doors. Adjustable tension spring for use with heavy and light tasks. Multiple use, the spring is suitable for use on the left or right side on house doors or gates. High quality material, it is made of carbon steel and the black finish is protected for extra protection against corrosion, durable. The package includes mounting screws and adjustable tools, easy to use and install. Specification: Material: Carbon Steel Size: As the picture showsColor: BlackPackage Includes: 1pc Self-closing gate spring (includes fixing screws and adjustable tools)Note: please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.