Source metal cover cup lamp socket types retro edison lamp holder on m.alibaba.com
Period Style Retro Edison Lamp Holder E26 E27 Light Sockets with Black Medium Screw-in Lamp Socket - China E27 Lamp Holder and Lamp Socket
Modern Aluminum Pendant Lights E27 Lamp Holder 110V 220V LED Lights Incandescent Vintage Retro Edison Bulb Decor Lamp Holder - AliExpress
E27 ES Edison Screw Batten Lamp Bulb Holder & Shade Ring - Etsy
Aplstar Black E26/ E27 Light Sockets, Retro Edison Lamp Holder with E26 Medium Screw, 200℃ Heat Resistant Standard Screw-in Lamp Socket for Vintage Edison Bulbs Pendant Lamp (8PACK) - Amazon.com
E27 DIY Lamp Holder With Plug,Cable and Switch for Bottle Lamp - OEM&ODM Lamps Wholesale for One Stop Service
Shu MUSE tungsten bulb Edison bulb does not contain lamp holder - Shop shumusefeather Lighting - Pinkoi
Classic 90° Fermaluce with E27 threaded lamp holder
Retro Vintage Edison Bulb Socket E27 / E26 Brass Hanging Lamp Holder Industrial Pendant Lamp Suspension Ceiling Rosette Lampe Base (Bulb Not Included) | Wish