12 in 1 design: The car battery terminal cleaning brush has two functions, the top brush to clean the battery terminal, the bottom brush to clean the battery pole. 2High Efficiency Cleaning: The battery terminal cleaning brush can instantly remove and polish corroded battery terminals. Thus, the conduction efficiency of the battery is improved. 3Durable and Reliable: The car battery terminal cleaning brush is made of premium Abs and aluminum alloy, durable and reliable, not easy to damage, and can be used repeatedly. 4Universal: The car battery terminal cleaning brush can be used to clean the side and top of the car battery end. The brush size is suitable for all car batteries. 5Compact and Portable: The battery terminal cleaning brush is easy to carry and store. It can clean the battery terminal at any time, and keep the electric system of the vehicle in the best condition.