5-inch Medium Yellow drill powered brush is perfect for bathroom surfaces. Clean and scrub shower, bathtub, carpet, flooring, tile and grout. The recommended technique to use this power brush is to angle the brush to the surface to be cleaned (never use flat on a surface) and increase or decrease the angle as you clean. Brush features a rugged steel quarter-inch quick-change shaft that fits drills AND drivers. Always look for the “Drillbrush Power Scrubber” or “DrillStuff” logo to insure you are buying an authentic Drillbrush from the leader in drill powered cleaning brushes. All DrillStuff Products have a 90 day no questions asked Money back Guarantee. If you are not completely satisfied with our product we will issue a full refund or ship out a replacement at the buyer’s request. Cordless Drill NOT included.