Versatile Crack Cleaning Tool: Designed to handle narrow spaces and corners, this stiff-bristle crack cleaning brush is perfect for cleaning grout lines, shower door tracks, toilet seat hinges, kitchen sinks, faucets, shower walls, and window sills. 6PAS Colorful Crack Brushes: These stiff-bristle crack cleaning brushes come in a variety of brightly colored bristle designs to match different areas and tasks. This helps organize the brushes effectively and prevent cross-contamination. High-quality Materials: Made of premium plastic and stainless steel, this crack brush is sturdy, break-resistant, and durable. The brush head is directly attached to the non-slip, wear-resistant handle for a comfortable grip. Suitable for Cleaning Any Surface: Crack cleaning brushes are versatile tools designed for a variety of surfaces including tile, ceramic, hardwood, stone, glass, metal, granite, and quartz. They can effectively handle bathroom corners, grout lines, wall corner cracks, tile countertops, window tracks, and more.