Use as common hot feed or common ground block. Heavy plastic base with solid brass terminal bar and nuts.

The stud size is #10 (diameter 0.186" or 4.7mm though these are not metric nuts, they are 10-32)

The width of this busbar is: 0.64 inches (16.22mm)

The length is: 3.87 inches (98.37mm)

The height including the screw terminals: 0.87 inches (22.07mm)

The mounting screw hole diameter is: 0.195 inches (4.97mm)

The mounting hole centers are: 3.107 inches (78.92mm) apart

The busbar terminal thread pitch is: 10-32

All measurements are approximate.