Features： 1、Industry Standard: This 1/4in NPT coupler complies with M type industry standards, offering reliable performance and compatibility with most pneumatic tools, ensuring a near universal fit. 2、Leak Prevention: The outer threaded connector is built with an internal valve mechanism to prevent air leakage during tool replacement, enhancing efficiency and reducing downtime. 3、High Strength: Made from premium, robust steel materials, this NPT female coupler is resistant to daily wear and tear, ensuring reliable operation and a longer lifespan. 4、Quick Connection and Disconnect: This air hose connector and accessories allow for quick coupling and uncoupling of your tools and air hose, maximizing productivity by reducing setup. 5、Safer Operations: The universal air hose fitting reduces the chances of accidental air hose disconnection, providing safer operations, and preventing damage or interruption to work. Specification： Item Type: Universal 1/4in NPT Coupler Material: Steel Compatible with: Various blow dusters Various digital inflators Air pumps Package List： 1 x Universal 1/4in NPT Coupler