American Autowire external battery jumper blocks provide you with a connection to your battery on the outside of your vehicle. They are great to have on vehicles that don't have batteries that are readily accessible, or when the location of your battery is dangerous or difficult to get to. They also are handy for quick battery jump starts on cars in the race industry. If you need an easier way to get to your battery terminals, these American Autowire external battery jumper blocks are your solution.