Package Included: A pair of 12v power distribution block, includes a red and a black power distribution block(Positive and Negative) 250A Rating: The battery bus bar rated 250A when work in 12v circuit, and the battery terminal block can handle MAX 48V 5/16"" Stud Terminal: The battery bus bar terminal block includes 4 x 5/16"studs terminal and 3 x #8 screw terminals Robust:Constructed with reinforced nylon flame retardant material. The nickel-plated brass contact plate ensures even and consistent flow and stability. Stainless steel offers excellent durability and resistance to corrosion Wide Application: Make the wiring of circuit become neat and tidy, preventing mess harness from causing electric short circuit, suitable for automotive, car, truck, marine, boat, solar wiring