High-quality stainless steel for extra endurance: Made of food-grade SUS304 stainless steel, these heavy-duty hooks withstand harsh weather conditions and ensure durability for long-term outdoor and indoor use. Perfect for porch swings and other applications. Smooth and quiet swing experience: Designed with an innovative 180° rotation, our heavy-duty hangers offer you more flexibility. Built-in custom bearings and rubber rings eliminate friction and noise, creating a smooth, quiet environment for your relaxation. Effortless Installation & Superior Load Capacity: With an easy-to-install 2-in-1 design, this heavy-duty hanger securely attaches to wooden beams, cedar wood, or rafters, supporting up to 1500 lbs with maximum stability and safety. Versatile Applications for All Types of Swings: These hangers are perfect for various setups, including porch swings, yoga swings, jungle hammocks, suspension trainers, Olympic rings, and punching bags. Suitable for indoor and outdoor use.