The BG NBN31 is part of the BG Nexus Metal range. The BG Nexus Metal NBN31 is a 20 amp double pole switch finished in black nickel. All the BG Nexus Metal switches have a modern, slim profile, no visible plastic inserts and have a lightly lacquered surface to reduce fingerprint marks. The BG Nexus Metal switches and sockets come with colour coded screws and a full grid system to match.