E-Simpo Gx23 to E26 Adapter, Gx23 to E26/e27 Lamp Base Converter, 2Pin Light Sockets Adapter, Need Bypass Ballast and Rewire. Double Tab.2P in Parallel (60-Pack) - - Amazon.com
kingromargo G23 auf E27/E14 Standard-Sockel-Adapter Lampensockel-Konverter G23 to E14 : Amazon.de: Beleuchtung