Professional Drill Brush Attachment Set - This drill cleaning brush set includes 4 nylon brushes of different sizes and stiffness to ensure you have the best tool for cleaning jobs 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 impact drivers in seconds for smarter, easier and faster cleaning. High Quality Material - Our drill scrubber is made of high quality nylon bristles that fit snugly on the scrubber and you 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: bathroom, pool tile, flooring, brick, ceramic, marble, grout, interior and exterior car cleaning, Car wheels, grease stains, garage floor, house exterior wall, fence, handrail, etc.