ES Lampholder with 3 arm sprung fixing clip 
Black Edison Screw (E27) lampholder with a 3 arm spring is ideal for using were you cannot fix the lampholder with screws.
This will fit in a hole size approximately 45mm - 80mm
Comes pre made with a cord core cable with switch and plug molded on.
Has a cord grip in the base of the lampholder to ensure there is not pull stress on the connections inside the lampholder.
Cable length: 2.5m (excl lampholder)
Lampholder type: Edison Screw, ES, E27
Lampholder style: Black plastic
Lampholder outer diameter: 39mm
Lampholder height (excl cord grip): 62mm
Lampholder height (Inc cord grip): 82mm
Spring arm length: 48mm Approx
Spring arm width: 14mm