Universal, nylon cleaning brushes are perfect for cleaning the bathroom, kitchen, floor or car seats. The brushes are made of nylon bristles, so they are perfect for both indoor and outdoor cleaning, as well as for industrial cleaning, cleaning the sink or shower cabin, they do not leave scratch marks. Using chemicals will give you the perfect result! You will place these brushes on top of a regular construction spinner. 2" inches 3.5" inches 4" inches Suitable for use: with all electric and cordless drills. Suitable for cleaning: tiles, their gaps, bathtub, shower, carbon fiber, porcelain, etc.