BRUSH WIRE SCRATCH. The Better Brush wire brush is specifically designed for DIYers and professionals. Made of high quality brass, this brush is suitable for jobs where it is necessary to avoid marks, sparks or damage, as it is a flexible and soft material. Perfect for dangerous environments as it will not spark when it comes in contact with metal during striking. In addition, it is ideal for cleaning engine parts, battery terminals, spark plug electrodes, and paint removal.