The Pink 4-inch power scrubber brush is perfect for household, outdoor, and garage scrubbing tasks. Applications include bathroom scrubbing of tubs, tile and grout, shower stalls, sinks, flooring and porcelain. Remove hard water, calcium, mineral, and rust stains with ease, compared to tedious hand scrubbing. The smaller diameter design allows access to tighter areas and contours. This brush is based on a proven design and has been tested by the professional user. This brush features a quarter inch quick change shaft that allows it to fit impact drivers as well as cordless drills. Versatile 4-inch diameter Pink powered brush for fast and efficient cleaning of showers, toilets, sinks, tile and more. The 4-inch brush features a quarter inch quick change shaft. This allows the brush to fit in all cordless drills and impact drivers, and to be changed quickly to match your cleaning needs. Your sink, tub, toilet and tile will gleam like new using these brushes for cleaning your bathroom. Always look for the “DrillStuff” logo to insure you are buying an authentic product from the leader in drill powered cleaning brushes. The Drill is NOT included. Drillstuff Products have a 90 day no questions Money Back guarantee if not completely satisfied.