The JOQINEER Drill Brush Advantage: Through research on consumer cleaning habits, our design drifferent size, shape, hardness, material for our product. (DRILL IS NOT INCLUDED) Complete Cleaning Convenience:Instantly using and cleaning stains your cleaning brush by placing them in the cordless drills. JOQINEER 23 pieces drill brush kit have different hardness,shape and size, perfect for powered scrubbing on kitchen surfaces,car detailing ,showers, bathroom, bathtub,,sinks, tile, grout, fiberglass, boat, ect. For Hard-To-Reach Areas Design: Use the included 6 inch Extend Long Attachment to resolve this question for maximum using comfort, expand clean space and cleaning efficiency. Products include: 12 pieces of 4 inch scouring pads, 2 pieces of 4 inch sponges, 2 2 inch brushes, 1 3.5 inch brush, 2 4 inch brushes, 1 5 inch brush, 1 4 inch sticking plate, 1 15CM link Rod, Quantity: 22 pieces (DRILL IS NOT INCLUDED) Note: It does not include other things, the color is based on the first