The ceiling plate brackets are made of metal, sturdy and not easily bent, they can hold a lot of weight. Using a high-quality electroplating process, the surface is electroplated, smooth, rust-proof, corrosion-resistant, stable, and durable. Solid ceiling mount, length: 105 mm, width: 18 mm, height: 16 mm, thickness: 1.5 mm, two screw holes on each side. If properly installed in a suitable place, the lamp holder can hold approximately 5 kg. This light stand is very easy to install. We supply mounting screws, nuts, and plugs, just make sure the screws are securely screwed into the ceiling or floor joists. This ceiling lamp can be used to attach a ceiling lamp with a diameter of 110 mm to 130 mm. The ceiling lamp bracket is used in most hanging chandeliers, ceiling lamps, wall lamps, chandeliers, crystal lamps, etc., and can be used in many scenes, suitable for living rooms, bedrooms, studies, dining rooms, etc., the library. There are 4 pieces of galvanized ceiling plates in the package, with 8 pieces of M4x20 mm screws and nuts, 8 pieces of ceiling screws, and 8 pieces of mounting plugs. Product description Size: 105 mm. [Dimension]: Height: 16.5 mm. Base plate: 105 x 18 mm. Thickness: 1.5 mm. Area of use: E27 retro chandelier, modern lamp, ceiling lamp. Applicable lamp panel: diameter 110-130 mm. [Packing list]: 4 x ceiling lamps. 8 x M4x20 mm screws. 8 x screw nuts. 8 x ceiling screws. 8 x rubber plugs. This light accessory secures your lamp or chandelier to the ceiling and is often omitted from the kit. actual purchase. Attach this light to the ceiling to support your light. This light stand is very easy to install. We provide bolts, nuts, and rubber plugs, just make sure the bolts are securely screwed into the ceiling or floor joists. [Export note: 1. The ceiling plate bracket can safely bear a weight of 5 kg, this only applies under the assumption that the ceiling itself can also bear all weights. 2. We always recommend that all accessories be installed by a qualified installer.