【Indoor and Outdoor Use】: Perfect for swing chairs, rocking chairs, punching bags or other heavy items from a hanging rack. 【Corrosion Resistance, High Hardness】: Stainless steel 304 steel rings made of high quality raw materials. No rust, corrosion resistance, high hardness, non-toxic and pollution-free environment. 【Easy to Install】: We have pre-drilled two holes for screwing to wooden or concrete beams. Includes 2 concrete anchors and 2 hex screws and a unique one-piece design and can be installed in minutes. 【Rotation Design】: The innovative design makes it more flexible to use and can be used more widely. Such as playgrounds, swing sets, porch swings or ham swings. 【Safety and Robustness】: Rely on these high quality swing hangers to safely support children and adults. The weight limit is 1000 pounds