1.1. Wide Application - Great for cleaning boats/hulls, tires, grout/tile, tubs/showers, siding, linoleum, carpet, upholstery, leather, glass and other gentle scrubbing. Use this drill-attached brush set (soft-bristle white brush and medium-bristle green brush included) with a variable speed drill for maximum cleaning control. 2.2. Strong Cleaning Quality - High-quality premium soft-bristle brush combined with the high-speed rotation of the drill can easily remove stains from leather and fabric upholstery or carpets, the medium-bristle brush will not scratch, and the high-speed rotation of the brush with the drill can be used to effectively clean tubs, sinks, baseboards, fiberglass shower enclosures, shower door tracks and porcelain. 3.3. Time Saving: These brushes should cut your cleaning and scrubbing time in half or more compared to the rigorous work of manual scrubbing. These electric brushes also clean your bathroom surfaces better. 4.4. High Quality - The bristles are made of durable PP material, which is strong and durable. Made of stainless steel, quarter-inch, quick-change, and suitable for all cordless drills and impact drivers. (Cordless drill not included)