Waterproof: The 500 amp copper battery bus bar comes with waterproof rings, which can act as a sealing function, so it makes your wiring more secure and reliable. This set of red and black busbar also comes with removable plates, it let the wires&terminals go through very easy and prevent short circuit
Wide Application - The 500A Heavy Duty Power Distribution Block makes the wiring of circuit become neat and tidy and prevent electric short circuit, suitable for automotive, car, truck, marine, boat, RV, Solar, etc.