Professional Drill Brush Attachment Set - This drill scrub brush set includes 4 nylon brushes that vary in size and stiffness to ensure you have the best tool for cleaning jobs and won't scratch any surface (cordless drill NOT included)Smarter Cleaning - All 4 drill brushes are equipped with a quarter inch quick-change shank, which allows you to attach them to cordless drill or impact driver in seconds and clean smarter, easier and faster.Quality Material - Our drill brush power scrubbers are made of high quality nylon bristles, which can be tightly attached to the power scrubber, and you can worry-free about the brush bristles fallen off or scratches.Wide Application - The durable drill power scrubber brush are widely used for indoor and outdoor cleaning, such as: bathroom, pool tile, flooring, brick, ceramic, marble, grout, car interior and exterior cleaning, car wheels, grease stains the garage floor, outside the house wall, fence, handrail etc.Specifications:Sizes: 2 inch / 3.5 inch / 4 inch / 5 inchColor: Yellow / BlackPackage included : 1 x 2 inch Yello Round Brush 1 x 3.5 inch Yellow & Black Cone Brush1 x 4 inch Yellow Round Brush1 x 5 inch Yellow Round BrushWarning: cordless drill/hammer drill/drill not includedHeat Tips: Do not use this brush on soft suede or leather as it may ruin your sofa or seats.