Description Robust and complete set: Our ceiling hook is made of high quality 304 stainless steel materials. without rust. corrosion resistance. raised hardness. With a load capacity of over 400 kg. it is safe enough for various applications. Used for concrete and wooden walls: as the package includes 4 x metal anchors and 4 x plastic anchors. you can use it for concrete ceilings and wooden ceilings. But not suitable for plasterboard ceilings. walls of mud or other soft building materials. Wide Applications - Our Swing hanging hooks can be used for hanging chairs. hanging lamps. a swing of love. a hammock. a punching bag. a language coach. a yoga towel. a veil of sunshine. a language coach. a hanging chair. a hanging cave. a suspended seat. etc sur.Be Excellent choice for your indoor and outdoor relaxation. Easy to install: You only need to pre-drill two holes for bolting to wooden or concrete beams. you can assemble it in minutes under the attached user manual guide. Satisfactory customer service: : If you are having difficulty during the installation process or you dont know what to do. please contact us in time and we will do our best to solve your problem.