Chrome BC Un-switched Lampholder. Comes complete with an earth tag on the side and a shandard shade ring. This BC Chrome Lampholder has a 1/2" female thread in the base to fix onto 1/2" fixing point.
Standard BC or B22 lamp is required.
Comes complete with a shade ring and will fit a shade with a 28-29mm hole.
As this is a metal lampholder, ensure you use a 3 core mains flex to provide an earth connection to this lampholder.