1. High-quality materials: Our cordless screwdriver brushes are made of high-quality PP and nylon bristles, which are extremely durable and heat-resistant. Therefore, our brushes can be used for long-term cleaning. With the right brush, you can clean a variety of items and easily remove dirt. 2. Time-saving and efficient: The drill brush can be connected to any cordless drill or impact driver to quickly and effectively remove stubborn dirt. It enables fast cleaning, allowing you more time to enjoy life. It is an excellent companion to meet your household cleaning needs. 3. Four brush connection options: Our drill brushes come in four sizes for you to choose from. The 2-inch round brush is suitable for flat surfaces and small corners; the 3.5-inch rotating brush can be used to reach corners, contours, and curved surfaces; the 4-inch and 5-inch round brushes are suitable for large areas. 4. Compatibility: The connection part of the brush is hexagonal, which is compatible with most electric screwdrivers or drills. Simply connect the brush to the drill and it's ready to work. The assembly process is very simple, and cleaning becomes more convenient and effortless. (Drill bit not included) 5. Wide application: The cordless screwdriver brush can remove stains from many places, such as bathroom sinks, car wheels, kitchen walls, bathtubs, carpets, tiles, kitchens, barbecues, etc. If you have any questions before purchasing or using, please feel free to contact us. We will reply to you as soon as possible. Thank you!