The scrub pads feature a loop-side fleece fabric backing that securely attaches to the hook-and-loop drill backing pad during use. They are easy to clean and store—simply rinse after use and store in a clean, dry place for repeated reuse. Attach the scrub pads to the included backer and connect to your drill for excellent cleaning results. The kit includes a 1/4 inch metal shaft compatible with most standard drills. Use with a hook-and-loop backing pad to quickly and effectively remove soap scum, hard water stains, mineral deposits, and other tough grime. Ideal for fast and efficient cleaning of kitchens and bathrooms, reducing manual scrubbing effort. The red pads offer high abrasion for efficient cleaning of bathroom and kitchen floors; the brown pads provide medium stiffness; the green pads deliver even stronger scrubbing power. All scrub pads are suitable for cleaning various indoor and outdoor surfaces, including tiles, tubs, glass, stone, porcelain, showers, bathtubs, and sinks. Color: Red, Green, Gray Material: Scouring pad Size: Approximately 100mm in diameter Package Contents: 5 x Red matte pad 5 x Green frosting pad 5 x Gray matte pad 1 x 4 inch suction cup (with 1/4 inch extension rod) Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.