Features: Convient,self closing gate spring designed for automatically closing gates and doors. Adjustable spring tension for use with both heavy and light duty jobs. Mulitple use, the spring is suitable for left or right hand use on domestic doors or gates. High quality material,it is made of carbon steel with a black finish protected for extra corrosion protection,durable to last. Package includes mounting fasteners screws and adjustable tools,easy use and intall . Package Includes: 1 Piece Self-Closing Gate Spring (includes mounting fasteners screws and adjustable tools) Specifications: Material:Carbon Steel Size:As Picture Showes Color:Black note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.