Premium Quality: These car battery brushes are made of high quality materials, the material of the brush part is selected from high quality steel wire, the brush as a whole is made of high quality ABS plastic and stainless steel, and it is evenly distributed. Stainless steel material has the advantage of being strong and durable. Main Function: The main function of these car battery brushes is that using this cleaning brush can effectively remove dust and acid and alkali to make a good contact between the car and the battery. These brushes are not easily damaged during use, it is scratch and wear resistant and strong to ensure the best durability. Easy to Carry: Our battery cleaning brush has a good looking design that is convenient for you to use and store. They are easy to carry, small in size, light in weight, and do not take up space when used. They can be placed anywhere and can be taken out when you need them. Good Helpers: This 4-in-1 battery brush is very easy to use, it can go deep inside the battery terminals to clean the rust stains inside, and the round brush head in the middle can be placed on the protruding part of the parts to clean around the terminals. I believe it is a good helper you can use to make your life easier. Widely Used: These battery double head battery brushes are suitable for a wide range of applications, this ideal wire brush can be used for rust removal, corrosion and painting. Suitable for cleaning steel parts, mechanical parts, unfinished metal parts, and car batteries. Paint stains and special corrosion on these parts can be cleaned.