Features: Material: The pressure washer adapter is made of high-quality durable copper + stainless steel, which is strong and corrosion-resistant and can be used for a long for time. Easy to connect: Connectors are easier to connect or disconnect when changing pressure washer accessories. You can easily assemble these quick connect plug kits. Strong Pressure Resistant: Pressure washer quick couplings work up to 5000 PSI; ball lock design creates a strong connection. APPLICATIONS: Standard Quick Couplings Kits quickly connect hoses, pumps, ball valves, gauges, telescoping wands, surface cleaners and spray guns. Universal: Pressure wash quick connect kits are NPT compliant and you can connect to most NPT compliant connectors. The quick connector is 3/8 inch or 1/4 inch, please check the specification before purchasing. Specifications: Material: Coppers + Stainless Steels Interface: 3/8'' / 1/4'' Size: As Pictured Package Includes: 2 Pcs Pressure Washer Adapter 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.