Ultra-Strong Load Capacity & Safety Certified: Made with industrial-grade 304 stainless steel, rust-proof and corrosion-resistant. Rigorously safety-tested to ensure absolute security for adults, children, and group use. Universal Compatibility Design: Specifically engineered for porch swings, yoga hammocks, playground swings, and indoor hanging chairs. Compatible with wooden beams/concrete ceilings. Includes heavy-duty hooks, reinforced chains, and anti-slip washers to effortlessly meet diverse installation needs. 180 Smooth Swivel + 360 Rotation System: Dual-bearing rotating structure enables seamless 180 bidirectional swinging and 360 rotation, eliminating jolts. Delivers a freer, more comfortable swinging experience while reducing hardware wear for extended durability. Heavy-Duty Anti-Loose Accessories: Features thickened stainless steel rings, anti-slip safety locks, and nylon wear-resistant washers on both sides of the swing hangers. Eliminates wobbling noise and ensures long-term stability, even in harsh outdoor conditions. 10-Minute Quick Installation: No professional tools required. Easily install on ceilings/beams by yourself. Includes clear diagrams and pre-sized templates for hassle-free setup.