E27 Copper Threaded Lampholder With Cord Grip 
E27 Copper Threaded Lampholder with Cord grip 
This lampholder had a cord grip built into the base to allow you to suspend this from the ceiling with a piece of cable.
The copper lampholder has a threaded skirt meaning you can attach a lamp shade if desired.
Comes with 2 shade rings.
Diameter ex shade rings: 38mm
Diameter inc shade rings: 48mm