Features: High quality stainless steel material, durable All parts made of 304 stainless steel; can support up to 850 kilograms (1,800 pounds) Heavy-duty commercial-grade swing hangers suitable for children and adults Can be used indoors or outdoors; ideal for fitness rings, ceiling brackets, porch swings, yoga aerial swings, utility rooms, garages, and more Easy to install on the ceiling where dependable and smooth rotation is needed Specifications: Material: Stainless Steel Swing Hanger Size: Approx. 4.48 x 9.95 cm / 1.76 x 3.91 in Buckle Size: Approx. 10 x 5 cm / 3.94 x 1.97 in Screw Length: Approx. 7 cm / 2.76 in Type: Standard, Upgraded Version, Upgraded Version + Buckle, Expansion Bolt Version, Self-powered Bolts Version Net Weight: 450810 g Note: Please allow 1 mm error due to manual measurement Due to differences between monitor displays, the image may not reflect the actual color of the item Package Includes: 1 x Swing Hangers