DescriptionSTURDY AND COMPLETE: Made of premium stainless steel, durable, high strength, corrosion resistance, high hardness, rust resistance, waterproof. Robust and safeSafe and Reliable: Commercial grade hangers are rated for use by children and adults. Ceiling support diameter: 90 mm - Maximum load: 500 kgWide application areas: Our ceiling hooks are applicable for hanging chair, hammock, punching bag stand, swing, yoga towel, hanging chair, sun sail, children's swing, Swedish chair, hanging seat, love swing, sling trainer, etc.360 rotation design: The stainless steel swirl allows 360 free rotation and thus avoids twisting of your suspension (rope, chain, webbing, etc.) and protects it from wear and can be used in a greater extent. As playgrounds, swings, swings on the veranda or hanging hammockEasy to install: you need to pre-drill two holes in the concrete and then install the screws. Scope of delivery: 1 ceiling bracket, 4 metal dowels (screws and dowels only for use in concrete), 1 carabiner