Feature 1Wide Range of Applications: Self closing gate spring is very suitable for automatic closing gates, doors, fences and much more in outdoor, villa, etc. 2Adjustable Spring Tension: Self closing gate spring is professionally designed for adjustable spring tension for heavy and light duty jobs. 3Durable Material: Self closing gate door spring is made of carbon steel with an electrophoretic black finish for extra rust protection and durability. 4Multiple Function: The automatic gate spring is engineered to close automatically, the closing tension is adjustable, and it is suitable for left door or right door. 5Complete Kit: Heavy duty adjustable tension gate spring handware kit consists of spring, screw, locking pin and adjuster tool for easy and convenient installation.Item Type: Self Closing Gate Door SpringMaterial: Carbon SteelSurface Treatment: Electrophoretic black, white galvanized .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Self Closing Gate Door Spring4 x Screw2 x Locking Pin1 x Adjuster Tool