High QualityThanks to the use of very high quality stainless steel and quality processing, this ceiling bracket has an extreme longevity and even after years, No rust, corrosion resistance , high hardness. Suspension Ceiling Hook with 4 Fixing Screws The wall anchor is designed with 4 holes for extra durability and stability. The bracket is more secure than a 2-hole bracket. Supports up to 500 kg with a high quality welding process. Strong stainless steel structure provides greater strength. STURDY ONQuality heavy duty swing hooks are designed for use by children and adults, Load Capacity 500KG, they are secure . Ceiling Hanger UsageCeiling hanger is ideal for yoga hammocks, hangers, hangers, hangers, hammocks, hammocks, hanging straps, canopies, hammocks, hanger bars, hangers, hammock hangers, punching bags, hanger straps, hanging chairs and much more. Attention heavy duty hammock attachment only for mounting on concrete ceilings or wooden beams with supplied mounting hardware. Not for use on Placopltre ceilings, clay walls or other soft building materials. Exact information Material: 304 stainless steel Ceiling hook size: 9 * 5cm / 3.5 * 1.9in Carabiner size: 5 * 0.8 * 8cm / 1.9 * 0.3 * 3in Screw size: 0.8*7cm/0.3*2.7in Package size: 14*9*10cm/5.5*3.5*3.9in