1Heavy Duty: Each 12v bus bar includes 6 x M6(1/4in)terminal studs. This battery terminal block can handle voltage Maximum 300V Ac, 48V Dc, and continuous amperage Maximum 130A Ac, 150A Dc. 2Unique Base: The 12v distribution block is unique base design, which makes the 12v power distribution block unique and special, looks more extraordinary compared with others. 3Easy Installation: The cover of this bus bar 12v marine will allow 180 wire lug installation and can meet variety kinds of install methods of end terminals. 4Wide Application: This power bus bar uses copper plates and stainless steel terminals as conductors, which enables the 12v power block to work in extreme environment, suitable for automotive, car, marine, boat, etc. 5Ideal Replacement: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency!