WIDE USE: Enjoy your indoor and outdoor recreation with our spring hanger kit which is specially designed to hang your swing, swing seat, hanging chair, hammock, tent, boxing, porch swing, punching bag or another heavy object, Introducing a unique even suspension system for hours of quiet motion with safe, smooth swinging pleasure. Perfect for your patio, porch, ceiling mount. HIGH QUALITY: Comfort springs are made with high tensile spring steel, which are zinc plated and clear coated to provide protection against the elements and rust resistant. The swivel swivel and carabiners are made of stainless steel, corrosion resistant, high hardness, non-toxic and pollution-free environment. Suitable for any scene. SAFE AND SECURE: The springs are tightly coiled together for effective shock absorption, enhancing the comfort of your porch swing with every movement, enhancing your comfort and protecting your overhead support . Which is safe for adults and children of all ages, the swivel hook allows 360 degrees. degree of rotation without tangling or twisting, and the carabiner will clip securely onto your hammock or swing chair. Easy to Install: You can easily install this spring set onto your hammock chair in minutes without using any tools, universal to fit any hammock size, style or design, you will get: 2 x 8mm carabiner, 1 x spring, 1 x 360 degree rotation hook.