Compatibility and Size: This pressure washer spray gun is compatible with Kärcher k2 k3 k4 k5 k6 k7 and needs to be used with the spray gun and pressure washer. The size of this lance is 55*5 CM. 140 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. Adjustable nozzle cleaning speed The gun cleaning is 40% faster than standard nozzles. Easy to install: This spray gun needs to be connected to the spray gun and then the spray gun to the hose. The spray gun is part of the spray gun and cannot be connected directly to the hose. Can be used with high-pressure water gun and Kärcher pressure washers. Save cleaning time: pressure washer spray guns are more efficient, powerful and convenient. Remove dirt quickly, easily and save time with this spray gun do the housework. Wide range of uses: The pressure washer spray gun is suitable for most cleaning, such as car maintenance