Features: brand new and high quality Our carbon dirt removal brush is efficient and labor-saving and can easily clean pipe and piston surfaces area. It provides you with great convenience. This is a very practical cleaning tool that can meet your many needs. It won'for t hurt your pipes. You can use it with confidence. It is suitable for most for cars, motorcycle engines, etc. And has a very good cleaning effect. You don'for t have to worry about other trouble. With round shape and smooth surfaces, you can use them easily,can be used with a hand drill. Automobile clean detailing brush,It is suitable for cleaning carbon deposits in automobile cylinders and cleaning engines. Specifications: Material: Metal Size:Approx. 37.5x0.48cm/14.76x0.18 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Carbon Dirt Remove Brush