Compatibility and size The pressure washer lance can only be installed in Krcher k1 k2 k3 k4 k5 k6 k7 (or a water pump with the same nozzle) and must be used with the hose and the cleaner high pressure. Size: 54 * 4 CMAdjustable nozzle - 140 bar You can adjust the spray mode by rotating the nozzle, or you can pull the nozzle to select high pressure or low pressure. Maximum pressure: 140bar / 2030psi. The nozzle cleaning speed adjustable on the spray gun is 40% faster than the standard nozzle cleaning speed.High efficiency - saving cleaning time The high pressure washer gun & nbsp; has higher efficiency, more performance and more practicality. Using this gun removes dirt quickly and easily and saves money cleaning time.Wide range of use The high pressure washer gun can effectively remove stubborn dirt and is suitable for most cleaning, such as car maintenance and cleaning, garden floor cleaning and mopping moss and dust on the roads and walls.Installation method This lance should be connected to the gun, then the gun is connected to the hose. The lance is part of the gun and cannot be directly connected to the hose. It can be used with high pressure water guns and Krcher high pressure cleaners.