High Quality: Our ceiling hooks are made of high quality SUS304 stainless steel, rustless, 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 Rotatable 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 screws, 1 x drill. You can use it to complete the installation in minutes. Wide scope: The ceiling hook is suitable for indoor and outdoor use, ideal for concrete ceilings and wooden beams, hammock swings, chairs, punching bags, lamps, sling trainers, yoga , canopies, sling trainers and more.