A scrub brush is a cleaning tool designed for scrubbing surfaces. It typically features a handle and a head made of stiff bristles, which help remove dirt, grime, and stains from various materials. Scrub brushes come in different sizes and shapes, making them suitable for tasks like cleaning floors, dishes, or outdoor furniture. These brushes can be used with cleaning solutions or water to enhance their effectiveness. They are commonly used in households, commercial kitchens, and industrial settings. Some scrub brushes are specifically designed for delicate surfaces, while others are more robust for heavy-duty cleaning tasks.