The Superlec 666KB Galvanised Adaptable Knockout Box is used to extend or repair electrical circuits.
The main features of the 666KB are:
Optional 20mm knockouts
Manufactured from 1.2mm pre galv steel
Comes complete with flanged cover and 4 fixing screws
BS EN 50142 & 3
Dimensions: (H) 150mm x (W) 150mm x (D) 150mm