Features: Utility Pressure Washer Couplers: Our brass pressure washer female couplers can help to quick connect your pressure washer pump or gun, 3/8 inch fitting.Working Pressure: These quick connector set withstands working pressure up to 4000PSI, please check and connect to the 3/8 connector before connecting, prevent damage or leakage caused by wrong size plug.Exquisite Workmanship: Our quick connector set design and well cutting, with accurate technology process, durable brass material, non rust with great performance.Quick Connect: Easy to assemble and disassemble, convert of nozzle and guns, fit for mostly pressure washer equipment with inner plug 14mm or 15mm, depends on your selected type.Premium Material: The quick connector is made by durable brass, ball lock design to secure a solid connection and prevent water leakage from the coupler. Specifications: Material: Brass Product Dimension: As pictures shown Type Option: Type 1(Outer M22-14mm)/Type 2(Inner M22)/Type 3(Outer M22 - 15mm) Working Pressure: 4000 PSI Operating Temperature: Room temperature Install Type: External thread Applicable Medium: Water Applicable for: for most M22 and quick-connect fittings on pressure washers Package Includes: 1 Set Pressure Washer Coupler Brass Fittings(2Pieces) note: Please allow 1-2cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.