Included in this set are two of our most popular 5-inch diameter, flat, round, power scrubbers. Use these brushes for larger area scrubbing and cleaning. Included is a Soft White 5-inch gentle power scrubber and a 5-inch Medium Yellow bathroom scrubbing brush. The 5-inch Soft White flat brush will restore your glass shower doors to their gleaming best. This brush is also perfect for bigger areas that require thorough, but gentle, scrubbing. Tackle large outdoor cleaning tasks like truck Tonneau covers and large boat deck carpets quickly with this larger brush. Keep boat and auto covers clean so no outside dirt falls off onto your vehicle. The Medium Yellow 5-inch power brush tackles those tiresome, time consuming, bathroom cleaning tasks. Cut through soap scum, hard water stains, mineral deposits, calcium build-up, and rust discoloration. The ultimate in bathroom accessories for scrubbing and cleaning. The nylon bristles will not scratch. Use on bathroom tile, as a shower scrubber, grout brush, bathtub cleaner, and base board cleaner. Both brushes feature a rugged steel HEX shaft that will fit most three-eighths and half-inch drills (will not fit smaller 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. These brushes should cut your bathroom cleaning and scrubbing time in half (or more) compared to the rigorous effort involved in hand scrubbing. These spin brushes also do a better job in restoring and then maintaining your bathroom surfaces. The Drillbrush Power Scrubber brand is the industry standard for drill powered cleaning tools. 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 and others to be the absolute best solution for a wide variety of cleaning and scrubbing tasks.