This brass plated detachable harp is generally found on American style light fittings, however these can be used in the UK marked if needed.
It has a quick detach system, perfect for removing for maintenance and cleaning of the shade.
Product contains the following items:
1x 8" Harp
1x Harp Base
Please Note: Lampholder not included.
Diameter (widest point): 103mm
Top Thread Height: 12mm
Top Thread Diameter: 1/4" x 27 TPI
Base Hole Diameter: 10mm