The Karcher K2-K4 Dirt Blaster Lance, available from Notcutts, features a rotary nozzle that combines the concentrated cleaning power of a solid pencil jet. This dirtbuster provides up to 50 percent more cleaning power over conventional high-pressure jets. This Karcher K2-K4 Dirtblaster quickly & easily connects to K2-K4 Karcher pressure washer series & is ideal for cleaning stubborn dirt such as moss from patios & weathered covered surfaces. Key Features Offers up to 50 percent more cleaning power than standard lance, suitable for the K2- K4 Karcher pressure washer