Keep your car's engine running smoothly with deposit cleaning brushes. These brushes are engineered to reach deep into the engine's combustion chamber and cylinder, removing stubborn carbon deposits. Features -Color:Black -Material:Nylon -Size:27.50X3.00X3.00cm/10.81X1.18X1.18in -Advanced cleaning technology: features a cylinder brush designed to penetrate deep into the engine, ensuring comprehensive carbon deposit removal -Boost engine performance: by eliminating carbon buildup, this tool helps restore your engine's original power and efficiency, leading to better overall performance -Versatile compatibility: works with a wide range of car engines, from compact to larger vehicles, making it a versatile tool for any car owner -User friendly operation: the brush is designed for easy insertion and automatic operation, allowing even those with minimal technical skills to use it effectively -Maintenance: regular use of this brush can prevent costly engine repairs by maintaining a clean engine Package list: 4 x carbon dirt cleaning brush