What you get: 1 x pressure washer gun. 1 x M22 coupling for Karcher 5 x replaceable spray nozzles. Specifications: Type: pressure washer gun. Material: plastic + brass + stainless steel. Maximum pressure: 4000PSI. 5 * Replaceable spray nozzles tips: 0°, 15°, 25°, 40°, 65°. Connector:M22 thread (22mm outside diameter, 14mm inner diameter), 1/4" quick change adapter. 5 x pressure washer spray nozzles: 0 degree (red, stainless steel, concentrated pencil jet) high pressure nozzle. - Clean some "hard to access" areas such as gaps in pavements and driveways. 15 degree (yellow, stainless steel, high performance) high pressure dirt removal --Clean brick, concrete and other hard surfaces with stubborn stains. 25 degrees (green, stainless steel, multipurpose) brick cleaning with less pressure. - Clean wood, fence, painted wood surface, storage track and lawn mower. 40 degrees (white, stainless steel, sensitive surfaces). Widely used in car cleaning. --Clean screens, windows, cars, etc. 65 degree nozzles (black, brass, low pressure detergent application). --Spray car shampoo, detergent, etc. How to connect the Washer Gun: 1. Screw the M22-14 mm hose onto the thread of the pressure washer machine. 2. Screw the M22 coupling onto the thread of the spray gun. 3. Press on the housing of the coupling and insert the hose. How to connect the nozzle: 1. Hold and pull the 1/4 inch connector. 2. Insert the desired nozzle onto the connector. 3. Slide back the brass housing for nozzle fixing.