Rubbermaid Commercial 8.5" Black Tile and Grout Brush with 3/4" plastic bristles is a sturdy cleaning tool for removing dirt and grime from tiles and grout lines. Its durable construction ensures longevity, while the plastic structural foam block and handle resist cracking, warping, and bacteria absorption. The brush's high shear/break strength and resistance to water, oils, and solvents make it suitable for various cleaning tasks. A convenient hang-up hole allows for easy storage.