... is available Lamp holder E27: 1.E10,E12,E14,E27,E40 series etc 2.Metal: aluminium/iron/copper ... /brass 3.Professional ManufacturerE27 Porcelain Lampholder:1.Series: E12,E14,E27,E40 etc2. Inserted Metal: aluminium/ iron/ copper ... later than 24hours.We have our own factory, welcome to visit our factory .Delivery time: 20~30 days ... . E27 white color bakelite lamp holder e14 bakelite lamp holder