E27 Threaded Nickel Lampholder With Cord Grip 
Supplied with 2x shade rings.
This lampholder is ideal for hanging from the ceiling as it has a built in cord grip to take the stress off of connections inside the lampholder.
Please note that all ES lampholders have a locking mechanism that prevents accidental undoing of the body, if you have locked the lampholder and need to get it off this how to unlock an E27 lampholder guide will help you unlock your lampholder.
Shade ring thread diameter: 38mm
Bulb cap: ES, Edison Screw, E27