Knightsbridge Screwless 13A 1G SP Switched Socket with Dual USB A+A (5V DC 2.4A shared) - Brushed Chrome with Black Insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR9124BC. Finish: Brushed Chrome. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.