Knightsbridge Screwless 230V Quad USB-A Charger Outlet (5V DC 5.1A shared) - Polished Brass with White Insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFQUADPBW. Finish: Polished Brass. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.