Material:The self-closing gate hinges are made of strong steel, with powder-coated finish, heavy duty manufacturing, and with a superior weather-resistance function and longevity.,Self-closing gate hinges: Adjust the spring to a appropriate place, the spring tension is strong enough to achieve your desired smooth self-closing speed. With longer threaded rod adding more adjustability and stability, you can adjust the distance between gate and flanges by a simply nut screwing. The gate hinges can be adjusted from 0.23" - 1.25" gap between the gate post and gate.,Easy to install: By using the self-tapping screws in the kits. It needs a certain space of 0.23" between gate and post.,Applications: The hinges are designed for wood gates, vinyl fence gates and metal gates, which can lift a 100-inch-wide gate and weight up to 100-lbs.,Good service: If you have any concerns about the product or installation, please feel free to contact us at the first time, we'll solve it in time.