Amazon.com: Welsun Bayonet BC B22 to ES E27 Screw Light Bulb Lamp Adaptor Fitting Converter Holder Lamp Holder Converters (Size : 100pcs) : Tools & Home Improvement
B22 to E27 Socket Adapter, Bayonet BC Cap B22 To E27 ES Edison Screw Converter, BC to ES Extend Lamp Holder Base, B22 to E27 Adaptor Holder Fitting 0-250V, 2A Lamp Socket
E-Simpo B22 to E26 E27 Light Socket Adapter, UK AU India Bayonet Lamp Base to Edison Screw E26 E27 Bulb Holder Converter Adapter CE Rohs (4) - - Amazon.com
1x Bayonet B22 Ceramic Lamp Light Bulb Holder Fitting BC Socket With Side Fixing | eBay
Buy Wholesale China Bakelite B22 Pin Type Wall Lampholder Bulb Base Lamp Holder & B22 Pin Type Wall Lampholder Bulb Base Lamp Holder at USD 0.41 | Global Sources
5pcs/set LED Lamp Holder Base Adapter Universal Light Bulb Converter Lamp Socket B22 E27 E14 E26 LED GU10 For Home Lighting|Lamp Bases| - AliExpress