Knightsbridge Screwless Multimedia Combo Plate + Dual USB A+C 12V DC 1.5A (Max. 18W) - Brushed Chrome w/Grey Insert Manufacturer: Knightsbridge (ML Accessories). Manufacturer SKU: SFR998BCG. Finish: Brushed Chrome. Range: Screwless Switches and Sockets. Available to order, subject to supplier availability.