[Excellent Quality]:Rugged construction, bristles firmly attached.The solid plastic block prevents distortion and cracking.If you unsatisfy with our product, you can return to our warehouse, no risk! [Perfect Compatibility]:Professional 4Pcs combination Drill Brush ( DRILL IS NOT INCLUDED ) -2inch/3.5inch/4inch/5inch, which with different shapes and sizes can fit for our different cleaning needs. [Widely Use]:Whether you want to scrub your bathroom or your floor, this amazing tool is your cleaning solution,such as Bathroom Surfaces, Grout, Floor, Tub, Shower, Tile, Corners, Kitchen ect. [Easy Use and Install]:When you are ready to change out your drill cleaning brush attachment simply pull out our innovative quick-change shafts and easily install a new brush. Press your brush against the surface you want to clean and start the drill. Your surface will be spotless in no time