These E27 screw type lampholders are machined from solid brass here in Birmingham. They are a top quality heavyweight product designed fit lampshades with the larger 40mm diameter hole.
Designed to look fantastic with bare bulbs and can be used with or without shade rings.
For Edison Screw bulbs known as ES or E27
Supplied with a single shade ring, extra rings available separately
These fittings require an earth connection & three core flex