We offer this handy junction box as a companion part for certain square-shaped controllers that do not fit in standard United States gang boxes. It is light weight and has a shallow depth of 1.54". Ideal for mounting in areas with limited space. Easy to mount to any surface. Simply insert wires through the knockouts on opposite sides and secure with wire nuts. Includes 2 M3.5-0.6 screws. 60mm pitch spacing between screw holes. 4 screw holes provide flexibility and ensure a perfect fit. Constructed from galvanized sheet metal.