Genuine Karcher K4 - K5 full control Vario Power Jet Spray Control Lance This spray lance is continuously adjustable from low-pressure detergent jet to high-pressure jet, simply by turning the spray lance. Suitable for use with K4 - K5 power washers. This spray lance is suitable for use with K4 - K5 pressure washers. This infinitely adjustable spray lance allows you to choose the right setting for your surface by twisting the spray lance. From a low-pressure detergent jet, to a high-pressure jet. This makes it suitable for cleaning smaller areas all around the home, such as fencing, garden furniture and vehicles. Compares to 2.642-725.0, 26427250