Knightsbridge Screwless 13A 2G Switched Socket, Dual USB (2.4A) with LED Charge Indicators - Brushed Chrome w/grey insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR9904NBCG. Finish: Brushed Chrome. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.