Knightsbridge Screwless 13A 2G SP Switched Socket with Dual USB A+C (5V DC 4.0A shared) - Polished Chrome with Grey Insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR9940PCG. Finish: Polished Chrome. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.