B22 to E27 Bulb Holder Adapter.

Function: It converts a pin-type (B22) bulb holder to a screw-type (E27) fitting. Material: It is typically made from durable, flame-retardant, and heat-resistant PBT plastic and metal materials. Installation: The adapter is lightweight, easy to install, and requires no additional tools. Usage: It is widely used for home, office, and industrial lighting applications, offering a simple solution for compatibility issues between different bulb and fixture types.