E27 is a standardized size and type of lamp holder. This standardization ensures compatibility across various lighting fixtures that use this type of socket. Bulb Type: Compatible with all kinds of E27 bulbs.
Vintage Industrial Lamp Light Bulb Holder Antique Retro Edison E27 Lamp Fitting
Vintage Industrial Lamp Light Bulb Holder Retro Edison ES E27 Fitting UK
Vintage Industrial Lamp Light Bulb Holder Antique Retro Edison BC B22 Bayonet