Generic E27 to B22 Light Bulb Lamp Screw Socket Converter Adapter Holder (White) E27 Male to B22 Female adaptor, is to allow an bayonet socket light bulb to be used in the Edison screw of your lamp/luminaire.  Description:  Simple to use and allows you to keep using conventional light bulbs or compact fluorescents Instead of the tiny candelabra based bulbs Ideal for ceiling fans or lights with candelabra sockets that need to be converted to a standard medium base Type: E27 to B22 Color: White Material: Plastic, Metal   Package Includes:  1x Socket enlarger adapter