1Suitable Scene: Wire brush 4 In1 combo including 1/2 inch and 3/4 inch brushes is universal for car battery, which is able to meet different needs of people. 2Main Function: Pipe tubing fitting brush tool can be used for the maintenance of various vehicle batteries, effectively removing the dirt from the battery terminals and extending the battery life. 3Easy to Carry: 4 in 1 battery terminal and post brush is lightweight and easy to carry, can be carried at any time, convenient to use when repairing. 4Superior Material: 4 in 1 pipes cleaner brush tool is made of ABS and aluminum alloy, which is hardness, not easy to deform, sturdy and durable and has a long service life. 5Simple Use: 4 in 1 pipe cleaner is designed to be easy to use and doesn't need professional skills, so anyone can use it, which is easy and fast to use.