Low Voltage Halogen Porcelain G4 / Gu4 Bulb Light Lamp Holder Manufacturer - China Lamp Holder, Light Holder | Made-in-China.com
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E-Simpo 10pcs E26/E27 to MR16/Gu5.3/G4/Gu4 - Standard E26/E27 Edison Screw Base to MR16 GU5.3 G4 GU4 Base Adapter Holder Converter (Ceramic Material) - Amazon.com
Gu4 / G4 Porcelain LED Bulb Lamp Socket with Clip and Wire - China Lamp Socket, Bulb Socket | Made-in-China.com
Rayhoo G4 LED Bulb Socket Halogen MR11 Base Ceremic Lamp Holder Socket, Miniature Bi-Pin Base Socket, Halogen Incandescent Led Socket Ceramic Body Lamp Holder, 10-Pack - Amazon.com