For indoor and outdoor use. Perfect for hanging a chair swing, porch swing, rocking chair or punch bag, or for hanging another heavy object from an overhead bracket. Corrosion-resistance, high degree of hardness: 304 stainless steel rings made from high-quality raw materials. No rust, corrosion-resistance, high degree of hardness and non-toxic for the environment. Suitable for any location. Easy to install: We have pre-drilled two holes for screwing on to wooden beams or concrete. Includes 2 concrete anchors and 2 hex screws, and a unique one-piece design, and can be installed in minutes. 360¡ã rotation design: The innovative design makes it more flexible so it can be used in more ways. For example, playgrounds, swings, porch swings or hammock swings. What you will receive: swivel hanger with 2 concrete anchors and 2 hex screws.