Brass Lamp Holder | E27 ES | Threaded | Factorylux
Small Edison Screw SES-E14mm Lamp Holder
Pro Rep Spot Lamp Holder ES (Screw Fitting) Max 100W
White Black 4a Half Tooth Screw E27 Lamp Holder Energy Save Chandelier Led Bulb Head Socket Fitting Vintage Light Base 250v E26 - Lamp Bases - AliExpress