The Floor Seam Brush is an essential tool for cleaning bathroom tile grout quickly and easily. No bending required – attach the Floor Seam Brush to any SINI Shaft. -Two rows of bristles increase cleaning efficiency. -Narrow, firm bristles reach into grout lines, removing tough dirt and bacteria buildup. -Combine the Floor Seam Brush with a SINI handle for efficient and ergonomic cleaning. -Designed and made in Finland, carrying the Key Flag symbol. -Five-year SINI warranty.