[Self Closing Gate Hinges] This self-closing gate hinge features a self-locking function. The spring tension can be adjusted using the included tool to control the door closing speed based on door requirements, helping to achieve reliable closure and enhance safety for pets and children. [Strong and Durable Design] The self-closing gate hinge includes rounded corners to help prevent accidental injuries. Its right-angle installation and multi-hole screw design ensure a secure fit between the hinge and gate, improving stability. The welded construction provides excellent load-bearing capacity, supporting long-term safe operation. [Heavy-Duty Hardware] These self-closing hinges are built for durability with a coated finish that offers strong resistance to rust and corrosion, making them suitable for extended outdoor use in various weather conditions. Constructed from quality materials for reliability, they are compatible with wooden fence gates, metal gates, vinyl gates, and PVC gates. [Adjustable Distance] The automatic gate hinges offer adjustable spacing from 1/4 inch to 1-1/2 inch (0.58 cm to 3.81 cm). The maximum opening and closing angle is 90 degrees. The hinges are designed to remain parallel during operation, helping prevent door tilting or sagging. Color: Black Material: Iron Package Contents: 2 sets x Gate Hinges 1 set x Screws Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.