1) Size - 135x135x55 MM
2) Easy to break open 25mm 3 knockouts on all 4 sides, 4 knockout on the bottom     for conduit to enter from any direction.
3) 4 Adjustable lugs for easy mounting of switch plate.
4) All sides are joined with internationally accepted interlocking style with each     other.
5) Made from G.I material with minimum costing of 100-200gsm.
6) Thickness of material varies as per requirement from 0.80mm - 1.60mm.
7) Bottom / Side earth terminal or washer screw can be attached as per requirement.