7 variants of replaceable brushes heads, including 3 types of high-fiber nylon bristle cleaning brush heads and 4 types of soft material brush heads. These different brushes will help you to perfectly clean the homes according to your needs. 1. Large surfaces like tiles, walls, pools can be cleaned using big flat brush head, while small flat brush head are used to clean smaller areas like, stove and oven etc 2. To clean the narrow and corners such as, car types etc, sharp brush head is mostly used. 3. Sponge brush heads are mostly used on fragile surfaces for cleaning and waxing of windows and more. 4. Wool brush heads are used on delicate and soft surfaces, so they won't leave any scratches. This make is suitable for sofas and polishing of cars. 5. Cloth brush are made of absorbent and soft material, this make it suitable for cleaning stains, interior cleaning and polishing 6. Scouring pads are more suitable to clean oily surfaces, and mostly used to clean the kitchens.