Features: High load-bearing capacity which it can keep your yoga chair, hammock chair, swing chairs or other heavy objects stable . Mount this hammock suspension kit on ceilings, sturdy posts, brick walls, decks, trees, etc 360 rotation design: makes the hook more flexible. And this hook is very easy to install. It must pre-drill two holes in wooden beams or concrete and then install the screws. Material: 304High quality stainless steel Size and capacity: package weight is 0.4 kg, its load capacity is up to 250 kg. What you get: a 360 swivel hook, 2 screws for concrete application and 2 screws for wood application. Installation in concrete steps: 1. Draw two locations you prefer. 2. Drill two holes on concrete or beams and insert the expansion screws into the holes. 3. Then mount the hanger and the chain or the rope. 4. Hang a chair or sandbag and swing it. Installation on wood: The only difference is to use the hexagon head screw with a screwdriver. And you can install our hook. Package contents: 1 x 360 rotating swing hook. 2 x screws for practical use. 2 x screws for wood use.