BC | B22 | Bayonet Cap Copper Lampholder Shade Ring 5638044
Fits the B22 metal S Lilley lampholders only
It may well fit others but as they may well vary this is not guaranteed.
Spec:
Internal Diameter: 25.9mm
Outside Diameter: 31.6mm
Thickness: 3.8mm
Material: Brass
Finish: Copper Plated