The FSB351 Single Gang 35mm Metal Box by ESR is ideal for flush mounting switches and sockets in domestic and commercial applications.

These are mainly used behind face plates and allow the face plate to be screwed and secured flush to the wall.

1 Gang - For Single Gang Switches and Sockets.
35mm Depth.
Comes with Brass Earth Terminal.
Galvanised Steel Finish.
1 Adjustable and 3 fixed lugs.
20mm Knockouts - 2 to each side, 4 to the back (total of 12 knockouts)
73mm x 73mm cutout required.

CE and Compliant to BS 4662

If you require a back box for drylining or plasterboard, please see our drylining range.

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ESR 1 Gang 35mm Single Flush Recessed Galvanised Metal Back Box

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