Medium Screw (E26) to Candelabra Screw (E12) Socket Reducer Adapter Converter - 75W 125V - UL-listed - brand new - $5 firm PRODUCT DESCRIPTION: Medium base socket to candelabra base socket adapter. Screw this adapter into any E26 medium base socket to convert to E12 Candelabra light fixture, allows you can add traditional candelabra bulbs to your fixture.