5-inch Medium Green flat scrub brush is designed to clean large household surface areas like tile grout, shower walls, or flooring. Drillbrush was established in 2007. Our brushes are professional quality and have been tested and approved by commercial cleaners, marinas, detail shops, and other cleaning professionals. All Drillbrush Products have a 90 Money back guarantee. -Green, medium stiffness, 5-inch diameter, drill powered, kitchen surface scrub brush. -Scrub off baked-on food, grease, soap scum, mold, mildew, hard water stains, mineral deposits, rust and grime. -Keep your kitchen free of germs and bacteria (like E. coli, and salmonella) -Brush has a molded-in rugged steel shaft featuring a five- sixteenths hexagonal that will fit most drills (not drivers) -All Drillbrush 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.