1. Metal brush set: This set includes 4 car wheel hub cleaning brushes, 3 brass metal brushes, 3 wire brushes, 3 nylon filament brushes, and 1 carburetor cleaning kit. 2. Double - ended design: Compared with other metal brushes, these metal brushes have been improved with a double - ended design and different sizes, which can be used for various small objects and cleaning tasks. 3. High - quality materials: These brushes are made of high - quality brass, stainless steel, and nylon. They are durable and flexible, suitable for thoroughly cleaning rust and dirt. 4. Car interior and exterior cleaning brushes: These cleaning brushes are suitable for cleaning the interior and exterior of cars. Various cleaning tool kits can meet your needs for cleaning different parts of the car. 5. Wide application: This set of mini metal brushes can be used not only for cars but also for motorcycles, bicycles, trucks, boats, computers, ventilation grilles, signs, or other small objects.