Vktech 10pcs E14 to E12 Base Adapter Converter Lamp Holder Lamp Adapter E14 to E12 Base Adapter Converter;Lamp Adapter E14 to E12 base Adapter Converter for LED/ Halogen / CFL Light Bulb lamp Change your E14 base to adapt E12 screw fitting Materials:Conductive copper Size: Approx.2.5 x 1.8cm(length*diameter)