The Black SES Lampholder With Glass Adaptor is used in many Salt Lamp where the base fixing hole is around 40mm.
The Glass adaptor has sprung fingers that hold in the base of the Salt Lamp.
There are several applications for this pre-made lead set as the adaptor will fit into any fixing holes from 38mm to 41mm.Spec:
Lampholder Cap Type: SES | E14 | Small Edison Screw
Lampholder Length: 59mm
Lampholder Diameter: 28mm
Lampholder Base Diameter: 35mm
Lampholder Material: Plastic
Cable Length: 2.4meter Approx.
Distance between Switch and Plug: 1 meter approx.