High-quality materials: The entire set of materials is made of high-quality 304 stainless steel and is suitable for installation and use in dry and humid indoor and outdoor areas. Rust and corrosion protection: The stainless steel hook bracket is characterized by high hardness, high load-bearing capacity, strong plasticity, rust and corrosion resistance, robustness and durability, and therefore has a longer service life. Easy to use: Simply draw the cutting line in the installation area. Drill the hole with a 12 mm drill bit. Insert the expansion screw. Insert the hanging plate and tighten the screw. Scope of application: Very suitable for hanging chairs, chandeliers, hanging swings, hammocks, sandbags, yoga, sling training, etc. It is the ideal choice for fixed connections and suspensions. Specifications Quantity: 1 x ceiling mounting plate (9 x 90 mm), 4 x expansion screws (12 x 70 mm), 1 x spring safety buckle (8 x 80 mm). The load capacity is 300 kg (defined as a solid concrete