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 tool for cleaning work and do not scratch the surface (drill without cord NOT included). Sweeping 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. Quality Material - Our drill scrubber is made of high quality nylon bristles, gripping tightly against the scrubber, and you will avoid as well as the brush bristles do not fall off or cause scratches. IdWidely Application - Durable cleaning brushes are widely used for indoor and outdoor cleaning, such as: bathrooms, swimming pool tiles, flooring , bricks, ceramic, marble, grout, interior and exterior cleaning of cars, car wheels, grease stains garage floor, exterior house wall, fence, handrail , etc. Why choose us? The P4pcs drill brush attachment