WIDELY USE: Enjoy your indoor and outdoor entertaining with our Spring Swing Hanging Kit, which is specially designed to hang your swing bench, hanging chair, hammock or hammock chair, swing chair, sandbag or other heavy objects, introducing a unique Hours of quiet movement with the even suspension system for safe, smooth swinging fun. Perfect for your patio, porch, horizontal tree or ceiling mount. HIGH QUALITY: Comfort springs are made of high strength spring steel, galvanized and clear coated for protection, weatherproof and rustproof. The swing swivel and spring hook are made of stainless steel, corrosion-resistant, high hardness, non-toxic and pollution-free. Suitable for any scene. SAFE AND RELIABLE: The springs are tightly coiled together for effective shock absorption and improved porch swing comfort, improving comfort and protecting overhead support EASY TO INSTALL: You can easily install this spring set to your hammock chair in minutes, no tools required, universal to fit any size, style or design of hammock, what you get: 2*8mm springs Hook x 1* Spring x 1*360 degree swivel hook.