Positive Negative Bus Bar Battery Power Distribution Block 4 X M6 Car Terminal Block Studs 6 X M4 Terminal Bus Screws for Boat Features: Power distribution block also known as battery bus bar, this busbars will come in pairs, includes one red bus bar and one black bus bar, car terminal block. Rating: Max voltage: 300V AC, 48V DC. Max continuous amperage: 130A AC, 150A DC terminal bus. Terminals: Each battery distribution block includes - M6 terminal studs x 4 and M4 screw terminals x 6, suitable for 1/4 and #8 insulation ring terminals. Application: These 12v bus bars are using copper plates and stainle steel terminals as conductors, which makes it can work in extreme environment, suitable for automotive, car, truck, marine, boat, yacht, etc. What you get: Positive distribution block x 1, ground distribution block x 1, 4 x screws, 1 year warranty. If you have any questions about the product, please contact us, we will respond you within 24 hours. Power Distribution Block SPEC: Terminal Studs: M6 (1/4) * 4 Terminal Srews: M4 (#8) * 6 Max Voltage: 300V AC, 48V DC Max Continuous Amperage: 130A AC, 150A DC Package Includes: 1 x Positive Bus Bar 1 x Negative Bus Bar 4 x Mounting Screws Positive Negative Bus Bar Battery Power Distribution Block 4 x M6 Terminal Studs 6 x M4 Terminal Screws for Car Marine Boat Copper Plate & Stainle Steel Terminals Copper plate and stainle steel terminals as the conductors of the busbars, make the bus bar 12v have better performances on conduction and corrosion resistance, enables the bus bars to be used in extreme environment. Cover & Nuts Each copper bus bar will come with polycarbonate cover and nylon nuts, which can cover the exposed stainle steel terminals and prevent the busbar from causing accidental electrical short circuit. Application The package includes both positive and ground distribution block, which is easy to use. This bus bar 12v is suitable for both automotive and marine use, such as car, truck, rv, utv, atv, boat, yacht, etc.