Compatible with: Karcher SC1 SC2 CTK10 SC3 SC4 SC5 SC7 steam cleaner. 2: High quality round replacement nozzle set in black and yellow. 3. Two colors: black and yellow for cleaning different areas. One color for the kitchen, one color for the bathroom. Durable and heat-resistant nylon brushes. 5. Includes: 2 black brushes and 2 yellow brushes. 4 Pack Brass Round Brushes for Karcher SC1 SC2 CTK10 CTK20SC3 SC4 SC5 Steam Cleaner