Hanging Chair Suspension: The swing spring set includes one tension spring, one 360 swivel hook, and two carabiners. All components are made of high-quality 304 stainless steel, offering high strength, corrosion resistance, rust resistance, and easy cleaning. This set is designed for durability and environmental protection, making it a reliable choice for use in homes, patios, balconies, and yards. For prolonged use, store in a dry and well-ventilated area. Stainless Steel Tension Spring: The spring measures 15 cm in length and supports a maximum load of up to 250 kg. It features a unique suspension design that enhances the elasticity of your hanging seat, providing a smooth and gentle swinging experience without being too stiff or too soft. Attaching your hanging chair to the spring reduces sudden jolts and ensures stable, comfortable movement for safe and relaxing use with hanging chairs, swings, hammocks, or similar products. 360 Swivel Hook: Made of stainless steel, this swivel hook allows full 360-degree rotation. It is designed to prevent tangling and twisting during use, making it ideal for quick connection applications. The double-ended swivel enables smooth rotation and securely connects to hanging loungers, hammocks, or other suspended furniture. Easy to Use: Simply open the snap hook to attach it to the hammock spring, then connect the swivel hook to your hanging chair. The entire setup can be completed in seconds without tools or complex steps. With hooks on both ends, the spring easily integrates with your hanging chair system. The carabiner features an easy-open mechanism and provides a high level of safety and secure attachment. Multifunctional Indoor and Outdoor Use: This hanging chair swing spring set is suitable for a wide range of indoor and outdoor suspended products, including swings, hanging chairs, nest swings, ceiling hooks, hanging loungers, floating loungers, hammocks, yoga hammocks, punching bags, gym rings, and other heavy hanging items. Ideal for enhancing comfort and functionality in living spaces, patios, or recreational areas.