High quality: our ceiling hooks are made of high quality SUS304 stainless steel, rust-free, corrosion resistance, high hardness, non-toxic, durable. Can be used permanently. Safe and reliable: the load capacity of our ceiling hooks is up to 500 kg, the hammock hooks are super stable. Safe for adults and children. 360 rotating hook: Our hook can be rotated 360 and rotated back and forth 180. It is very convenient and flexible to use. Easy Installation: The set comes with 1 x stainless steel hook, 1 x carabiner, 3 x concrete screws, 3 x hex head screws, 1 x drill, 1 x instruction manual. You can use it to complete the installation in minutes. Wide field: The ceiling hook is suitable for both indoor and outdoor use, ideal for concrete ceilings and wooden beams, hammock swings, chairs, punching bags, lamps, sling trainers, yoga, awnings, sling trainers and more.