What You Get1 x positive 12 volt bus bar, 1 x ground 12 volt bus bar, 2 x 1/0 copper lug and 4 x 6 copper lug. Heavy DutyThis 12V bus bar can handle voltage max 48V and continuous current max 250A. Wide ApplicationUsing the battery bus bar for wiring can keep the circuit neat and tidy, reducing the possibility of short circuit. Suitable for car, caravan, boat, yacht, solar system, etc. Protective CoverThe marine bus bar comes with a protective cover made of tough polycarbonate plastic for excellent strength and durability, preventing short circuits and making the circuit safer. Product InformationEach 250A power distribution block contains 2 x 3/8" (M10) studs. All the studs on our busbars are made of 304 stainless steel to protect against corrosion.