E14 Lamp Socket on Stem - 1000853 - U8473200-230 - Optical Components on Stem - 3B Scientific
E14 half thread lampholder - MC Fact
2x White E14 Lamp Holder With Stem For Chandelier Light Bulb Socket 100mm x 23mm | eBay
Amazon.com: 6pcs E12 to E14 Adapter,E12 to E14 Lamp Socket Adapter, Lamp Holder LED Bulb Base Adapter, E12 US Chandelier Base to E14 EU Candelabra Base Converter(6pcs E12 to E14 Adapter) :