Usage Tips:: Made of 304 stainless steel, strong and durable. Antirust, corrosion resistance, high hardness, ensure safety use and environmental friendly with non-toxic, no smell. Suitable for any scene. Heavy Duty Hook: heavy duty commercial quality swing hangers to support children and adults safely & securely. Weight load up to 1,000 lbs/453kg. Innovative Design: Bracket can be 180 swing, hook support 360 Rotated freely movement with 1 pull buckle which can be opend easy. The innovative design makes our swing hangers hooks use more flexible and can be used more widely. Easy to Install: Swing hanger have two pre-drilled holes for bolting installation to wooden beams or concrete, just install the screw to have the installation done. Comes with 2 expansion bolts which fit concrete and 2 wood screws which fit wood. Widely Used: Swing hanger kit perfect for any indoor and outdoor playground swing and suspension equipment Accessories, like: hammock, swing chair, yoga strap, baby swing toys and so on.