5pcs Car Engine Intake Valve Carbon Removal Brush

1. Easily remove carbon from the piston surface
2. Use with a hand drill, clear and efficient, save time and effort
3. The nylon brush material is corrosion-resistant, not easy to break, and does not shed hair
4. Size: 26x10x3cm
5. Note: The product only contains brushes, not including hand drills and other