LH0744 E26/E27 medium base lamp holder/socket for outlet box mounting with pull chain and receptacle
Bakelite E27 lamp holder kit with switch
Amazon.com: Emart Light Bulb Stand, E26 / E27 AC Socket Lamp Holder with Umbrella Holder, Photography Light Bulb Mount for Photo Video Studio - 2 Pack : Electronics
NEEWER 2 Packs E27 Lamp Holder with Light Stand Mount - NEEWER – neewer.com