Features: Improve Efficiency: This adapter set can quickly convert M22 thread coupling to 1/4 inch quick connector, making it easy to connect and disconnect. High Pressure Resistance: Made of stainless steel and brass, the set can withstand a working pressure of up to 5000PSI. It is suitable for universal spray guns, hoses, and pumps connection. DIY Enthusiasts: This adapter set is perfect for DIY enthusiasts who want to improve their cleaning efficiency with high-pressure washers. VersatileApplications: The adapter set can be used for various applications, such as car washing, garden waterings, and home cleaning. Easy to Install: With the M22-14mm size and 0.38-inch outer diameter, this adapter set is easy to install and use. Specifications: Material:Stainless SteelCopper Size: Approx.M22-14mm Working pressure: up to 5000PSI Outside diameter: 0.38 inch Fastener size: M22 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 2pcs Pressure Washer Adapter