10pc/lot E27 Light Bulb Base Plastic Full Screw Lamp Holder Pendant Socket Lampshade Ring For E27 Light Bulb Black - Lamp Bases - AliExpress
Aplstar E26 E27 Light Socket,16-Pack Black Edison Retro Pendant lamp Holder, E26 E27 Plastic Standard Screw-in Socket Maximum Wattage 250W Heat Resistant Up to 200℃ Fire Resistant - - Amazon.com
Nickel Wing Nut Wall mount Lamp holder E27 fitting
Xinyixing G24 to E27 E26 4-Pin LED Light Sockets Adapter, Light Bulb Socket, Bulb Base Adapter, Converters Lamp Holder (Pack of 1) - - Amazon.com
E27 Lamp Cap Torque Gauges with 6.35 Hexagon Joint
ALUCSET 3 Pack Medium Screw Base to Medium Base Light Bulb Socket Porcelain Extender, E26 E27 to E26 E27 Lamp Bulb Socket Extension Adapter, (Set of 3, Porcelain E26 Extender): Amazon.com: Tools
Antique Brass Pendant Lamp holder Edison E27 smooth fitting
LH0375 E26/E27 medium base lamp holder/socket with spring clip mounting and 18" leads