7 pack grout cleaning brushes with multiple usages includes 2 scrub brushes, 1 tile lines brush, 3 groove gap brushes, 1 scouring pad brush. Scrub brush with ergonomic design will give you a comfortable grip; It can clean the swimming pool, tile, bathroom and etc. Tile lines brush can help to clean the corners of your home; It can clean the tile seam, car, bike and tiny gap. Groove gap brush can be used to clean some extremely difficult stains; It can clean the kitchen stove, window cracks, stubborn stains and etc. Scouring pad brush with large-scale decontamination can clean the sink, tableware, stainless steel and etc.