[Material] All parts are made of metal, which provides a more stable, smoother and safer suspension. The steel spring can be loaded up to 250 kg and is therefore ideal for safe and easy suspension of hanging chairs, hammocks and rocking chairs. [Easy to assemble] This stainless steel snap hook is safe. The integrated design can be installed in a few minutes, which is neither time-consuming nor labor-intensive. [Comfort] The hanging chair spring allows you to swing gently and comfortably, the steel spring can bounce with the amplitude and swings or rotates comfortably, which relaxes the human body. [Various applications] High-quality metal spring for many applications, whether in the garden, on or at camping, traveling, fishing, hiking, sports and sailing. Suitable for lamps, awnings, hammock chairs, porch swings, rocking chairs, punching bags, outdoor swings, aerial yoga, swivel grills, etc. [Practical] Hanging chair spring suitable for indoor and outdoor use, such as indoor and outdoor straps, awnings, rings, yoga hammocks, porch swings, rocking chairs, sandbags, hanging chairs and aerial yoga, etc. Material: Metal Color: Black Package Contents: 1 x Snap Hook 2 x Snap Hooks 1 x Swivel Ring Only the above package content, other products are not included. Note: Light shooting 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._CA