Quantity and size: you will get 2 sets of porch swing hanging spring chain kits, including 2 porch swing springs, 2 stainless steel porch swing hangers, 4 stainless screws, 4 concrete anchors, 2 swing chains with buckles, the length of each chain is 66cm Quality material: this hammock hanging kit with spring and chain is made of quality Material, heavy duty, waterproof, anti rust and anti , strong and secure More comfortable: our swivel swing hanger allows full 360 degree rotation, quiet and smooth, and swing spring as a vibration damper helps to increase the lifespan, and relieve stress, noise Easy to install: this hammock hanging spring hook kit is easy to set up, and works well to your hammock chair and porch swing; And this swing chair installation hanging kit can load up to 1000 lb, sturdy and safe Multipurpose use: heavy duty swing hanger kit is suitable for hanging swing bench, hanging chair, hammock chair, sensory swings, punching bags, sandbag, and so on, you can use it in your patio, porch, or on ceiling, helping you enjoy relaxing or training Material:Metal colour:silver Package Contents: 2 * ceiling hooks 2 * spring hooks 4 * Carabiner 2 * Chain 4 * expansion screws 4 * screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.