bus bar junction block 12v, these busbars will come in pairs, include one bus bar () negative bus bar (black one). This bus bar terminal block is unique round base design, which makes the battery distribution block unique and , looks more extraordinary compared with other busbars. This power distribution block can handle voltage Max 300V AC, 48V DC, and continous amperage Max 130A AC, 150A DC. The cover of this bus bar will allow 180degree wire lug installation and can kinds of installat methods of end terminals. Each battery bus bar 12v includes - M8 (5/16inch) terminal studs x 4 and ( 8) screw terminals x 6, two power bus in the package - one bus bar ground bus bar. This ground bus bar uses copper plates and stainless steel terminals as conductors, which enables the ground distribution block to work in extreme environment, suitable for automotive, car, , boat, etc. Colour:black+red Material:Nylon+Copper Size: 150 x 28 x 35mm Package Contents: 2 x Bus Bar Box Board 4 x Screws Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.