Invisible load-bearing black technology, stable hanging does not hurt the door Aviation aluminium one-piece moulding: Made of 5mm thickened aviation aluminium, the single hook has a load-bearing capacity of 15kg, easy to hang Christmas wreaths, festive wreaths, feng shui decorations and other heavy objects without any indentation or deformation of the door body. 3D non-slip lining design: The inside of the hook is embedded with a high-density silicone anti-slip pad, which closely fits the surface of the door panel, so that the door does not shake or shift when you open and close the door violently, and avoids scratching the door paint. Military grade anti-rust process, no worry about rain, snow and humidity. Nano hydrophobic plating: The surface is treated with 5 layers of nano plating, the hydrophobic angle150, water droplets automatically slide off in rain and snow, and no rust or colour fading after 5 years of outdoor use. Salt spray test certification: Passed 72 hours of neutral salt spray test (national standard only needs 24 hours), the coastal humid environment or rainy season is still clean as new. Minimalist aesthetic design, the invisible partner of door decoration Invisible installation: No-hole nano adhesive sticker + spare screws dual-mode installation, 3 seconds to fit the door panel, adhesive sticker load-bearing 8kg, screws fixed load-bearing 15kg, suitable for wooden doors/metal doors/glass doors. Matte frosted texture: Surface anodic oxidation treatment, delicate touch does not leave fingerprints, champagne gold / space grey / obsidian black three colours to choose from, suitable for modern, Scandinavian, light luxury style of home decoration.