[Strong and ] The self-closing gate hinge not only features rounded corners to prevent accidental injuries, but also its right-angle installation and multi-hole design ensures a tight fit between the hinge and the gate, significantly improving the stability. In addition, the welded connection of the gate hinges ensures excellent load-bearing capacity, allowing the to operate safely for many years. [Self Closing Gate Hinges] self-closing gate hinge has a self-locking function. You can adjust the spring tension according to the needs of the door using the adjusting tool (spring tension determines the closing speed of the door). So as to achieve self-locking function, providing real security for pets and babies. [High Quality Hardware] Self-closing hinges are heavy-duty products with a high-quality coating finish, providing excellent rust and resistance and allowing for long-term outdoor use in harsh weather conditions. The high-quality materials used in the door hinges a high level of safety and reliability, making them suitable for use in wooden fence , metal , vinyl , and PVC , among others. [Adjustable Distance] Automatic gate hinges can be adjusted as needed from 1/4 inch to 1-1/2 inch (0.58 cm to 3.81 cm), the maximum Angle of the gate opening and closing is 90 degrees. And the hinges are parallel to each other to avoid the door tilting or sagging., Weight: 3.19229355376 pounds, Manufacturer: Donaasoal