Single Galvanised Metal Back Box 35mm 1 Gang Galvanised metal single pattress. Depth: 35mm. Knockout cable entries. Earth fixing connection. For use with 1 gang U.K. specification faceplates. CE Approved conforms to BS4662. Specifications Electrical Box Material: Metal Electrical Box Mounting: Flush Mounted No. of Gangs: 1 Colour: Galvanised Depth: 35mm Height: 70mm Width: 70mm