1Tidy Wiring: The power distribution block is perfect for customizing vehicles or relocating batteries, can make the wiring of circuit become neat and tidy. 2Characteristic: Rated current of the busbar terminal block is 150A, 4 M8 studs terminal design, the removable window allows for unobstructed wiring. 3Fine Workmanship: The bar is made of brass and nickel plated for robustness and rust resistance. The base is made of nylon to ensure good mechanical strength and durability. 4Simple Operation: Surface screw fixed installation, and four mounting holes make this terminal block easier to install in any orientation. 5Universal Application: 4 studs power distribution block is applicable to 12?48V cars, trucks, RVs, marine, boats and other industrial equipment.