【High-quality materials】The heavy-duty hook of the hanging device is made of high-quality 304 stainless steel and strictly complies with American ASTM standards. Robust, rust-proof, and corrosion-resistant, it guarantees the longevity, safety, and easy hanging of your swing. It can also be used to hang thick blankets and yoga hooks on wooden porches. 【Sturdy swivel hook】Includes 1 swivel hook, 1 carabiner, and 4 expansion bolts. The 360° rotating swing hook can support up to 450 kg and offers a large load-bearing capacity. 【Easy installation】Pre-drilled holes (recommended drill size: 12 mm) for quick installation on wooden beams or concrete ceilings; installation only takes a few minutes. Durable and suitable for use at home or in the gym. 【Wide Application】The hook is suitable for indoor and outdoor use and is used for hanging hammocks, swings, chairs, sandbags, hanging lamps, suspension trainers, yoga, canopies, etc.