Widely Used: Enjoy indoor and outdoor entertainment with our spring swing hanging kit, which is specially designed to hang your swing bench, hanging chair, hammock or hammock chair, swing chair, sandbags or other heavy objects, introducing a unique uniform suspension system, allowing you to exercise in silence for hours, enjoy safe and smooth swinging fun. Perfect for your patio, porch, horizontal stump or ceiling installation. : The comfort spring is made of high-strength spring steel, galvanized and clear coated to provide weatherproof and rust-proof protection. The swing swivel and spring hook are made of stainless steel, which is corrosion-resistant, high hardness, non-toxic and non-polluting. Suitable for any scene. Safe and Reliable: The springs are tightly coiled together to effectively absorb impact, enhance the comfort of the porch swing every time it moves, improve your comfort and protect your overhead support. It is safe for adults and children of all ages, the swivel hook allows 360 degree rotation without tangling or twisting, and the spring hook will clip securely to your hammock or swing chair. Easy to Install: You can easily install this spring kit to your hammock chair in minutes, no tools required, universal to fit any size, style or design of hammock, you will get: 2*8mm spring hooks x 1* spring x 1*360 degree swivel hook. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.