Carbon Fiber Pole: This carbon fiber telescopic extension rod will perfectly combine lightness with solids, designed for high -altitude and distant cleaning needs. Its adjustable length extends from 3.5 feet to 12 feet, and flexibly adapts to various usage scenarios. | No Scratch Soft Bristles: This brush head uses premium soft PVC brush hair to ensure that it will not cause any scratches on the surface of the car paint during use. The car cleaning brush is about 11 inches long, suitable for most standards for 3/4 inch outer thread broom strokes or extended brush rods. | Proper Size & Adapter Head: The brush is covered with large surface, and it can be used with the DOBEN extension rod. It can clean dirt at multiple angles, saves time and effort, and is suitable for dust and dirt on the surface of the car shaft, rearview mirror and seams. | Multi-Purpose: The car cleaning brush is perfect for cleaning most surfaces in daily life, such as the exterior of cars, RVs, SUVs, trucks, vans, campers and boats, keeping your car clean; it can also be used as a washing brush head at home, outdoors or indoors. | Note: Soak the brush in water for 10 seconds before use to avoid lint. Move the brush up and down or left and right to clean the car body. Do not let the front plastic part directly touch the car body surface to avoid scratching the car surface paint.