Knightsbridge Screwless 13A 2G DP Socket Dual USB A+C Metal Outboard Rockers with Red Flash - Antique Brass w/black insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR9941AB. Finish: Antique Brass. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.