The Karcher 2.863-324.0 is a set of four grout brushes designed specifically for deep cleaning tile and ceramic joints in kitchens and bathrooms. These accessories are fully compatible with the SC 1, SC 2, SC 3, SC 4, and SC 5 steam cleaner series, allowing you to remove stubborn grime without needing any chemical detergents. Constructed from high-quality black materials, the bristles are engineered for slow wear to ensure a long service life even with frequent use. This makes them a practical choice for anyone maintaining a home who wants an efficient way to keep grout lines looking fresh and clean.