Specification:

Material: Iron
Type: Cord Grip
Colour: Black, Red antique Brass, Chrome, White, Antique Brass
The cord grip is excellent for the home or within commercial spaces and neatens up the cord connections as well as lock the cord in place.
The hook fits into fittings with a 10mm thread and allows the cable to pass through them the same as a 10mm cord grip

https://ledsone.co.uk/collections/cord-grip-and-hanging-chains