[Indoor and outdoor use]: Suitable for any weight on a swing, rocking chair, sandbag or hanger. [Corrosion, high hardness]: 304 stainless steel ring made of high quality raw materials. No rust, corrosion, high hardness, environment without toxicity. [Easy to install]: We have already drilled two holes, which can be fixed to the wooden beam or the concrete beam. With 2 concrete anchors and 2 hex head bolts, a unique integrated design can be installed in minutes. Rotary design: Innovative design makes it more flexible and can be widely used, such as playground, swing, porch swing or ham swing. [Safety and strength]: Relying on these high quality rotating hangers to support children and adults safely. Weight is limited to 1000 pounds This ceiling bracket cannot rotate. Please check if the ceiling is strong enough before installation. The load limit is 450 kg. Make sure that the surface to be installed can withstand the weight and strength. is only fixed to the concrete ceiling using the supplied fastening material only. Not suitable for gypsum board ceilings or other flexible building materials. Heavy Duty Hook With heavy duty hook design, the hook can be rotated 360 in any direction. We have installed 304 stainless steel O-ring to prevent shaft slip. In addition, the intensity of the hook ring is sufficient to ensure safety. Quantity: 1pcs