The pressure washer adapter converts the standard bayonet fitting on the end of handgun to 1 or 4 in. quick connect female fitting that can accept the 1 or 4 in. nozzles or lance attachments. The adapter for Karcher is designed for use on Karchers K2 K3 K4 K5 K6 K7 handgun and wont fit K1700 K1700 cube, K1800, K1900, K2000. Made of brass and rubber, this Karcher adapter is rated for use at up to 3000 PSI 5 Nozzle Tips have different angle (0, 15, 25, 40, soap). You can choose to use different nozzles according to actual needs. Such as cleaning the house, washing the car. They also can be attached to a Quick-Connect Wand for swifter application and more. Nozzles allow you to quickly and easily clean hard-to-reach areas without a ladder. Ideal for reaching the bottom of the car, car rims, inaccessible corners, sink cleaning, etc. Included1 Adapter for Karcher, 1 Black Brass soap nozzle, 1 Red Stainless Steel Nozzle Tip (0 Degree), 1 Yellow Stainless Steel Nozzle Tip (15 Degree), 1 Green Stainless Steel Nozzle Tip (25 Degree), 1 White Stainless Steel Nozzle Tip (40 Degree). Choose nozzles with different angles according to your actual needs.