$6 · E17 to E26 Socket Adapter Converter

Intermediate Screw (E17) to Medium Screw (E26) Socket Reducer Adapter Converter - brand new - $6 firm PRODUCT DESCRIPTION: Intermediate base socket to medium base socket adapter. Screw this adapter into any E17 intermediate base socket to convert to E26 Medium light fixture, allows you to use the more common Medium base E26 bulbs in a fixture that requires the less common Intermediate base E17 bulb.