The Milton 1/2" NPT Male G-Style Coupler is the perfect choice for any air tool application. This coupler is designed to handle up to 300 psi of pressure and 99 standard cubic feet per minute of airflow. It is constructed with a steel plate and steel plugs with a case hardening for maximum durability. This coupler is perfect for any air tool application and is sure to provide reliable performance. FleetPride is your First Click in Heavy Duty®.