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 job tool and won't scratch the surface (cordless drill 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, clamping tightly to the scrubber, and thus you will avoid the brush bristles from falling off or causing scratches. Widely Application - The durable cleaning brushes are widely used for indoor and outdoor cleaning, such as: bathrooms, pool tiles, flooring, bricks, ceramics, marble, grout, car interior and exterior cleaning, tires car, grease stains on the garage floor, outside the house wall, fence, handrail, etc. Why choose us? The P4-piece drill brush attachment kit is designed