SmartDealsPro 12 Pack/lot Black E10 to E12 Bulb Converter LED Light Holder Lamp Adapter Socket Changer E10 to E12 converter Converts Edison Screw E10 base to E12 socket base Outside E10 to inside ceramic E12 base converter Used on LED/ Halogen/ CFL light bulb lamp High temperature resistant, anti-burning PBT and anti-aging