Additional Details ------------------------------ Product description: American Brush Chems has developed a tile and grout brush. Designed to reduce fatigue, hands and knees postures and speed cleaning times, the Shark is also designed in a way that allows its end bristles to clean grout close to walls and at angles that effectively cleans all types of tile. The Shark's bristle content is up to 50% more than others and it also features center bristles to fit any grout lines.