This kit features two of our popular 5-inch diameter power scrubber brushes. Use these drillbrushes for large area scrubbing and cleaning. Included are a medium yellow 5-inch, and a medium green 5-inch diameter power brush The Medium Yellow power brush is best for bathroom, bathtub, shower, tile, and porcelain. Cut through soap scum, hard water stains, mineral deposits, calcium build-up, and rust The Medium Green scrub brush is for kitchen cleaning: stoves, cabinets, tile, counters, and linoleum. Blast through greasy build up and baked-on food Both brushes feature a rugged steel hex shaft that will fit most 3/8” and ½” inch drills (will not fit drivers) All Drillbrush Products have a 90 day no questions asked return window. If you are not completely satisfied with our product we will issue a refund or ship out a replacement at the buyer's request. Cordless Drill NOT included Drillbrush was established in 2007, we have been designing and innovating brushes based on feedback and demand from our valued customers. Our brushes are professional quality and have been tested and approved by commercial cleaners, marinas, detail shops, and others industry “hands on, daily user” reviewers to be the absolute best solution for a wide variety of cleaning and scrubbing tasks.