Pack: 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 ceiling plate brackets are made of metal and use a high quality electroplating process. Its surface is electroplated, smooth, corrosion-free, corrosion-resistant, stable and durable.Dimensions: The bottom plate size is 90x18mm, the side height is 16.5mm, and the thickness is 1.5mm.Bearing capacity: If properly installed in a suitable place, the lamp mounting bracket can withstand about 5 kg.Application: This ceiling light pendant can be used to fix a ceiling lamp plate with a diameter of 95 to 115 mm. It is mainly used for hanging home office ceiling lights, chandeliers, crystal lamps, etc.