WIDELY USED: Enjoy your indoor and outdoor fun with our spring hanging kit which is specially designed to hang your swing, swing seat, hanging chair, hammock, tent, boxing, porch swing, punching bag or other heavy object, Introducing a unique uniform suspension system for hours of silent movement with safe and smooth swinging fun. Perfect for your deck, porch, ceiling mount. HIGH QUALITY: The comfort springs are made with high strength spring steel, which are zinc plated and clear coated to provide protection against the elements and rust resistant. The swivel and snap hooks are made of stainless steel, corrosion resistant, high hardness, non-toxic and pollution-free environment. Suitable for all scenes. SAFE AND SECURE: The springs are tightly wound together for effective shock absorption, enhancing the comfort of your porch swing with every movement, improving your comfort and protecting your overhead support. Which is safe for adults and children of all ages, the swivel hook allows