Scrub Pads Firmly Attached - All scrub pads are backed with a layer of plush fabric, so they can be firmly attached to the drill attachment, and not become loose when in use (unlike most of other similar products in the market that the scrub pad always comes loose from the attachment). Super Efficient Cleaning Tool - Works great on tiles, tubs, glass, stone, porcelain. Use them on big flat areas and you'll find they are a huge time saver! Note: make sure the brush rotates clockwise when in use. Two Different Stiffness - The green pads are a bit stiffer and thicker than the red . The red pads are abrasive enough to clean your bathroom or kitchen floor very efficiently. If you need stronger scrubbing, try the green ! Fits Any Cordless Drill - 1/4-inch (6mm) quick change metal shaft that fits any cordless drill. Package includes 12 red pads and 12 green pads. Drill not Included. Wear and - The scrub pads are easy to rinse clean and they for next use again. Perfect for cleaning showers, bathtubs, sinks, tile and many more tasks. Saves your cleaning time and more fun!