The Milton 1/2" NPT G-Style Coupler is the perfect choice for your air tool needs. This coupler is composed of case-hardened steel and is coated to prevent corrosion. It has a maximum pressure of 300 psi and 99 standard cubic feet per minute of airflow that can handle temperatures up to 250 °F. This coupler is designed to provide a secure connection and is perfect for any air tool application. FleetPride is your First Click in Heavy Duty®.