S-LINE 45 Amp Shower Switch Ceiling Pull Cord Comes with 44mm Surface Backbox...

45 Amp Double Pole Ceiling Pull Cord Switch with Backbox for Showers. 45 Amp Ceiling Pull Cord Switch with 44mm Surface Back Box. Supplied with a 44mm Surface Mount Back Box. The Switch is Made from A Strong Moulded Plastic with A Circular Centre.

eBay