Description: 【Leakproof Design】: The air hose connectors that ensure a leakproof experience. Simply wrap the threads with tape during installation to maintain a secure and airtight connection 【360° Swivel Rotation】: The connectors feature a 360-degree swivel design, allowing for easy and flexible connections without tangling the hose. This makes it ideal for use in tight space where maneuverability is crucial 【Convenient Compatibility】: With a 1/4 inch NPT to 1/4 inch MNPT configuration, these connectors are good for air compressor accessories, ensuring compatibility without any hassle. The embedded installation process is straightforward and efficient 【Construction】: Made from aluminum, these quick connect fittings boast clear threading and an internal bore design that does not restrict airflow during rotation. They can withstand a maximum working pressure of up to 150 PSI 【Versatile Application】: These air hose swivel joints are good for use with grinders, sanders, impact, rivet , and other pneumatic tools, making them an essential addition to any craftsman's toolkit Specification: Material: aluminum   Size Chart: Interface inner diameter: 0.635cm/0.25inch Package Includes: 2x Pneumatic Fittings Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.