This Karcher Dirt Blaster Lance is suitable for use with the Karcher Domestic Range of Pressure Washers Series 5-7. The lance combines a powerful high-pressure jet with a rotary nozzle. Suitable for high pressure cleaning of stubborn stains, moss, algae etc from paths & decking. The Karcher Dirtblaster provides up to 50% more cleaning power over conventional high-pressure jets. Push & twist the Dirtblaster lance into the end of the trigger gun.