The Puck Gun Head Is A 1/4" Quick Connector That Will Compact With A 1/4" Plug, Such As Foam Cannon, Nozzle Tips, Swivel Coupler. Additionally, The M22-14 Threaded Inlet Fitting Is Easy To Connect 14Mm Inside Diameter Pressure Washer Hose. Please Do Not Connect The Garden Hose Or Garden Hose. The Gun Body Is Made Of Engineering Plastic. The Internal Structure Is In Stainless Steel. The Windshield Washer Spray Gun Has A 1/4" Outlet And An M22-14 Threaded Inlet Fitting (Inner Diameter: 14Mm). The Black Accessories Have M22 To Qc Adapter, It Is Easy To Use And Detachable, Which Means Can Be Easily Installed On Karcher Quick Connect Spray Gun.Equipped With 5 Color Quick Connect Nozzles Different: The Red Nozzle Is Suitable For Blowing (0), The Orange Nozzle Is Suitable For Stripping (15), The Green Nozzle Is Suitable For Cleaning (25), The White Nozzle Is Suitable For Washing (40), And The Black Nozzle Suitable For Soap (65). You Can Choose The Right Nozzle For The Cleaning Job. Comfortable Handle And Safety Lock Are Designed For Easier Use. Such As Watering Flowers Or Plants, Washing Car, Fence Or Roof. Very Suitable For Washing Cars, Motorcycles, Trucks, But Also Used For Purging Windows, Roof, Floor , Flowers, Plants, Fences, Street, Etc. The Gun Pressure Washer Is A Good Helper For Your Cleaning And Makes Your Cleaning Jobs Easier.