1G 25mm Galvanised Steel Extension Box GSE25

Used to extend standard flush wall boxes that have been sunk in too deep or to accommodate deeper wiring accessories.
25mm depth with one adjustable lug and multiple 20mm knock outs.
Manufactured from 1.0mm² thick steel (+/- 1-2%)
NB: This product is supplied as part of a multipack and is not individually barcoded