MULTI-PURPOSE - Great for cleaning boat hulls, tires, grout/tile, tubs/showers, bearing rails, linoleum, carpet, upholstery, floor cushions, glass and many other applications. Use this medium stiffness bristle brush that features a variable speed drill for maximum cleaning control. This scrub brush cleaning set includes a medium stiffness brush STRONG CLEANING QUALITY - The high quality medium power bristle brushes combined with the high speed rotation of the drill will easily remove leather, fabric or carpet stains. These ultra premium medium duty brushes come in two styles to suit your cleaning needs. Save Time: These brushes should cut your cleaning and scrubbing time at least in half compared to the rigorous efforts of cleaning by hand. These brushes also take better care of your bathroom surfaces. High Quality - Medium stiffness brush, durable polypropylene bristles for scrubbing and long life. Features a 1/4" stainless steel quick change shaft that works with all cordless drills