Features 1Convenient Conversion: This adapter socket can convert your GU10 socket to an MR16 socket easily and conveniently, simple to use. 2Durable Materials: Made from ABS material, high temperature resistant, flame retardant PBT, anti aging, ensuring long lasting use. 3Application: GU10 to MR16 light bulb adapter works with LED halogen bulbs, and other types of lamp adapters, high performance. 4Four Piece Set: Each set includes four pieces, making it suitable for a variety of needs and scenarios, ideal choice for your LED light. 5Easy to Install: Simply insert the adapter socket into your existing Gu10 socket and then fit the MR16 light bulb into the top. No complicated installation required. Specification Item Type:GU10Base Material: ABS Size: Bottom diameter 2cm/0.79in Package List 4 xGU10toMR16LampBase