YiLighting- UL-Listed - (E26/E27 to GU10), E26/E27 Edison Screw to GU10 Bayonet Base Socket Adapter Converter&nbsp;(1pc) Made of high quality, durable and practical ceramic and metal High temperature resistant, anti-burning PBT and anti-aging Used on LED/ Halogen/ CFL light bulb lamp UL-Listed safety and reliable Easy to install