Premium Materials: The spring door closers are made of high-quality durable carbon steel with plastic coating, smooth and burr-free, rust-proof and deformation-resistant, suitable for indoor and outdoor use. Gate Spring Closer: This automatic door closer helps keep your property safe by always closing the door after use. The strong metal spring can slowly close the door without any noise, easy to use and easy application. Adjustable Spring Tension: The spring door closer features an adjustable design. You can freely adjust the closing force with the provided adjustment lever, which increases comfort and silence when closing the door. Easy to Install: The adjustable spring door closers are very easy to install. The door closer is simply mounted and clamped between the door frames and can be used on both the left and right sides. Wide application: This exterior door closer is ideal for front doors, gates, farm fences, garden fences and all kinds of left and right wooden door springs.