Professional Drill Brush Attachment Kit - This drill cleaning brush set contains 4 nylon brushes of varying size and stiffness to ensure you have the best cleaning tool for the job and won't scratch the surface (cordless drill NOT included). CleaningSweeping Cleaning - The 4 drill brushes feature quarter-inch quick-change shafts that allow you to attach them to cordless drills or brushes. impact screwdriver in seconds, for smarter, easier and faster cleaning. Quality Material - Our drill scrubber is made of high quality nylon bristles, hugging firmly against the scrubber, and you will prevent the brush bristles from falling off or causing scratches. IdWidely Application - Durable cleaning brushes are widely used for indoor and outdoor cleaning, such as: bathrooms baths, pool tiles, flooring, bricks, ceramics, marble, grout, interior and exterior car cleaning, car wheels, grease stains garage floor, outside house wall, fence , handrail, etc.