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
E26/E27 to GU10 Bayonet Base Socket Adapter Converter
E27 To E27 Lampholder Adapter Fireproof Screw E27 To Bayonet E27 LED Lamps Corn Bulb Light Socket Adaptor - AliExpress
Source Led Three-proof Eye Protection Plastic Bulb E27 Screw Bayonet White Light Supermarket Workshop Household Energy-saving Lamp on m.alibaba.com
LH0906 Converts a BA15d double contact bayonet socket to an E26/E27 socket
LED Light Bulb Lamp Low Energy 240v B22 Bayonet/E27 Edison Screw 7w, 10w 15w | eBay
E26 E27 Edison Screw Socket to GU10 Bayonet Base Adapter,GU10 Ceramic Socket Converters for GU10 Halogen Bulb, GU10 LED Spot Light,UL Listed, 660W/250V - Amazon.com
LH0455 BA15d double contact bayonet base lamp holder/socket to E26/E27 medium base lamp holder/socket adapter