Makes battery disconnect easier. [12V Bus Bar Application]: This M8 dual stud bus bar/12V/48V Marine bus bar/200A power distribution block/M8 copper bus bar Small size don’t take up much space, and made the battery relocation less of a pain than it could have been.using the connecting blocks 12v for wiring can keep the circuit neat and tidy, reducing the possibility of short circuit,Great way to clean up the wiring from all the accessories.dual Solid 8MM Suitable for RV,travel trailer, yacht, etc. Leia Mais