Durable Material Cleaning Brushes: Power Scrubbing Drill Brush attachment kit Cleaning brushes and Scouring Pads is made of premium polypropylene bristles, not scratch, high chemical resistance and durability performance enable this stiffness power brushes be your reliable choice of long-lasting cleaning tool. . High Quality: These hard bristle brushes are not scratch resistant, have high chemical resistance and durability, and are a reliable choice for long-lasting cleaning tools. Different sizes and shapes, this brush set has been expertly designed, nylon bristles will not scratch your bathtub and shower tile surfaces. . Time Saving: The high speed rotation of the drill combined with high quality bristle brush can clean the grim, scum, stains, water spots and Years of accumulated dust, cleanly and easily. . Widely Application and Compatibility: Nylon brushes are compatible with most cordless screwdrivers or drills Professional cleaning brush for tiles, grout, floors, cars, carpets, bathrooms, showers, bathrooms, etc., the scouring pads are great for cleaning kitchen and the sponges and wool pads used for all kinds of coat paints' waxing .