"Reliable QualityThis heavy duty swing hanger includes 1 ceiling bracket, 4 metal dowels (for concrete ceiling or wood ceiling, 1 carabiner. All parts are made of the highest quality 304 stainless steel, sturdy and durable. Rust proof , Corrosion resistance, high hardness.Ensure SecurityThe carabiner with lock is made of stainless steel. They don't unlock automatically. This setting is more secure. Durable weather-resistant finish so you can use it outdoors too.Easy to InstallAll mounting accessories are included, so you don't need to buy any additional hardware and parts for installation. Just drill 4 holes in the ceiling, insert expansion screws and install ceiling hooks, tighten the screws, and hang whatever you want. Easy to assemble in just a few minutes.Widely ApplicableCeiling hooks are perfect for hanging chairs, yoga hammocks, hanging swings, chandeliers, sling trainers, sun sails, hanging chairs, hammocks, awnings, punching bags, sandbags or any other heavy objects hanging from overhead brackets. have fun."