Marine bus bar junction block 12v, these busbars come in pairs, include one positive bus bar () and one negative bus bar (black one). This bus bar terminal block is round corner base design, which makes the battery distribution block and special, looks more extraordinary compared with other busbars. This marine power distribution block can handle voltage Max 300V AC, 48V DC, and continous amperage Max 130A AC, 150A DC. The cover of this marine bus bar allow 180degree wire lug installation and can meet variety 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 bars in the package - one positive bus bar and one 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, marine, boat, etc. Colour:black+red Material:Nylon+Copper Size: 150 x 28 x 35mm Package Contents: 4 x Bus Bar Box Board 8 x Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.