The straight-through design of these pneumatic fittings allows for unobstructed airflow, allowing optimal performance in your pneumatic system. The quick-connect feature makes installation and maintenance a breeze, while the sturdy construction a secure and leak-free connection. ideal for use in air tools, compressors, and other pneumatic applications. Features Suitable diameter: 6mm Connection threaded: 1/4 inch -Color:Silver -Material:Nickel plated brass -Size: 3.50X2.50X2.50cm/1.38X0.98X0.98in - material: constructed from nickel plated brass, these tubing connectors offer excellent resistance to damage and high temperatures, allowing durability -Quick connect design: the feature allows for easy and rapid connection and disconnection of air hoses, saving -Wide application: ideal for use in pneumatic and hydraulic systems, these straight line connectors are versatile and suitable for various applications -Secure and tight fit: the threaded design allows a firm and secure connection, preventing air leaks and allowing stability -Variety: available in multiple models, these quick connect hose fittings provide for different pipeline connection needs Package list: 6 x straight connectors 6 x elbow connectors