Professional Drill Brush Attachment Set - This drill cleaning brush set includes 4 nylon brushes of different sizes and hardness to ensure you have the best cleaning tool for the job and won't scratch the surface (cordless drill not included). Sweeping Cleaning - 4 drill brushes feature quick change shafts that allow you to connect them to a cordless drill or impact driver in seconds for smarter, easier and faster cleaning. PREMIUM MATERIALS - Our drill scrubbers are made of high quality nylon bristles that grip the scrubber securely and prevent hair from falling off or causing scratches. IdWide Application - Durable cleaning brushes are widely used for indoor and outdoor cleaning such as: bathroom, swimming pool tiles, floors, brick, ceramic, marble, grout, interior and exterior car cleaning, wheel oil stains on garage floors, exterior walls, fences, railings, etc.