Lamp holder adapter 1.E10/E11/E12/E14/E27/E26/E40/E39/B22 series 2.Porcelain,Bakelite,Plastic etc. 3.CE, RoHS 4.Cheap price Lamp holder adapterWe manufacture various types of lamp holder,E10, E11, E12, E14, E17, E27/E26, E39/E40, B22 etc.Pls kindly view our website or send us your products pictures for inquiry. Item No.:04Material:PorcelainFittings:Screw shell: aluminium, copper Conducting strip: ...