2x Bayonet BC B22 To GU10 Light Bulb Base Socket Adaptor Lamp Converters Holder
2x Bayonet Cap (BC) [B22] To GU10 Light Bulb Adaptor. Bayonet cap (BC) [B22] male toGU10 female. This adaptor allows you to use a GU10 light bulb in a bayonet lamp socket. 22mm bayonet to 10mm GU10. The regulations vary from country to country.