[ Hardware Gate Hinges] This self-closing hinge is a heavy-duty product with a high-quality black powder coating finish that is rust-resistant and corrosion-proof, ensuring high performance even in harsh weather conditions. This self closing hinge is suitable for almost all sizes of fence gates, indoor and outdoor places can be used. [Self Closing Gate Hinges] Self-closing gate hinge has a self-locking function. You can use adjustment tools to adjust the spring tension (the spring tension determines the closing speed of the door) according to the needs of the door, so that the large door operates smoothly and achieves the self-locking function, providing real protection for pets and infants. [Practical Functional Design] The self-closing gate hinge not only features rounded corners to prevent accidental injuries, but also its right-angle installation and multi-hole screw 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 gates to operate ly for many years. [Adjustable Mounting Distance for Gate Hinges] The installation distance of self closing hinges is adjustable, there is an adjustable bolt on the hinge, which can be tightened or loosened to easily fit your gate needs. When installing the self closing hinges, please make sure there is a certain clearance between the gate and the gate post for the self closing hinges to be installed.