Durable Scrub Brush Cleaning Tool- These Brushes are Made with Nylon Bristle Fiber. It is Good Choice to Replace Wire Brush with these Nylon Scrub Brushes because the Nylon Bristles will not Scratch the Surface. Drill Cleaning Brush Kit-This Drill Spin Brush Kit Includes a 4 Inch 360 Drill Scrub Brush, a 4 inch Drill Round Brush and a 2 inch Drill Round Brush to Make Sure you have the Suitable Cleaning Brush Tool at Any Time. Cordless Drill not Included. Efficient and Easy to Use-All Brushes have 1/4 inch Diameter Quick Change Shafts that will Allow them to Easily Attach with your Favorite Cordless Drill or other Impact Drivers Time-Saving & Efficient: Free you from heavy household chores and relieve the pain of scrubbing your hands and joints. Clean grim, scum, stains, water spots and years of nasty mold and mildew away in a short time. For deeper clean, please use a professional cleaner can save more time and effort. Enjoy the funny cleaning work. Wave bye to manual hand cleaning. Medium Stiffness Nylon Brush: The high-quality premium bristles with medium stiffness brushes will not scratch and can be used in bathtubs, sinks, skirting boards, fiberglass, showers, tiles, grouts and bathtubs. Not only that, but with this cordless kit, you can clean gas grills, ovens, charcoal grate, gas grills, and more. Environmentally friendly nylon bristles have excellent resilience and high wear resistance.