Package: The pack contains 4 pieces ceiling light plates, with 8 pieces M4x18mm screws and nuts, 8 pieces ceiling screws and 8 pieces rubber plugs. Material: The brackets of the ceiling plate are made of metal and use high quality electroplating process. Its surface is electroplated, smooth, corrosion-free, corrosion-resistant, stable and durable. Dimensions: The size of the bottom plate is 105x18mm, the height of the side is 16.5mm, and the thickness is 1.5mm. Bearing capacity: If properly installed in a suitable place, the lamp mounting bracket can bear about 5 kg. Application : This ceiling light pendant can be used to fix a ceiling lamp plate with a diameter of 110 to 130 mm. It is mainly used for hanging home office ceiling lights, chandeliers, crystal lamps, etc.