COMPATIBILITY AND SIZE: This pressure washer lance is compatible with Kärcher K1 K2 K3 K4 K5 K6 K7 and must be used with the gun and the pressure washer. The size of this lance is 60 * 4 CM. 150 BAR ADJUSTABLE NOZZLE: You can adjust the spray pattern by rotating the nozzle, or you can pull the nozzle to select high or low pressure. Maximum pressure: 150bar / 2175psi. The cleaning speed of the adjustable nozzle on the spray gun is 40% faster than the cleaning speed of the standard nozzle. EASY INSTALLATION: This lance must be connected to the gun, and then the gun is connected to the hose. The lance is part of the gun and cannot be connected directly to the hose. It can be used with Kärcher high-pressure water guns and pressure washers. SAVE CLEANING TIME: The pressure washer lance has higher efficiency, more performance, and more practical use. By using this lance, you can quickly and easily clean dirt and save cleaning time. WIDE RANGE OF APPLICATIONS: The pressure washer lance is suitable for most cleaning purposes, such as car maintenance and cleaning, garden floor cleaning, and cleaning moss and dust on roads and walls.