【Sturdy & Durable】Self closing gate spring made of premium steel with black powder coated anti-corrosion, rust, designed for long-term outdoor use. Tips: it can only be used on posts are on the same plane as the door(post and gate door need be aligned),【Adjustable & Hands Free】The spring gate closer can adjust the torque to control closing speed with regulator pin, provide the convenience and security, solve the problem of easy fracture of welded connection.,【Easy to Install】Fence gate hardware includes mounting instructions and fasteners for easy installation, attaching one side of the spring to the post, the other to the gate or door (Be careful Not too tighten the screws if you are installing a vinyl fence).,【Package Included】Come with all fasteners and instructions, 2x 12 inch heavy duty spring door closer, 2x locating pins, 2x adjusting pin, 8x screws (1 inch), can for both left and right side swing door, suitable for heavy and light operations.,【Wide Application】Adjustable fence door spring is suitable for outdoor vinyl door, agricultural fences, garden fences, shed, lawns, shacks, orchards, terraces, pools, square wood post and various wooden door.