Multi-functional : set includes 6 different sizes and shapes, and extension rods. 4Inch flat brush is used to clean flat surfaces such as floors and carpets. The 3.5 Inch round brush is used to clean round areas such as bathtubs, aquariums, tires, etc. 2 Inch Small brush cleans triangular areas such as ovens, fumes, and vents. The edge brush is used to clean floor joints, , sliding doors trucks. Powerful Clean: No more scrubbing by your hands. More efficient and clean than manual washing. Put the drill cleaner into water, turn on the switch, clean the brush without rubbing your hands, saving you much time and effort. The Electric Cleaning Set is the perfect tool for home and outdoor cleaning and also a great gift . [MULTIPURPOSE]Our electric brush drill is specially designed and different colors are compatible with soft, medium, and hard nylon hair. You can choose different plush according to where you need to clean it. The high quality nylon bristles will not damage objects. Also,