Knightsbridge Screwless 13A 2G SP Switched Socket with Dual USB A+A (5V DC 2.4A shared) - Anthracite with Black Insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR9224AT. Finish: Anthracite. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.