SleekLighting E26 to GU10 Adapters - Converts your Standard Screw-in Bulb (E26) to Pin Base Fixture (GU10) Maximum Watts and Voltage Capacity-Set of 12 - - Amazon.com
2pcs E27 To Gu10 Base Screw Light Lamp Bulb Holder Adapter Socket Converter Led Lamp Base Holder Converter For Home Lighting - Lamp Holder Converters - AliExpress
De verschillende soorten lampvoeten: een overzicht - Ledspot-planet
Forum E27 Gamma Wall Lights with Photocell Sensor | Downlights Direct