The Milton 1/4" MNPT P-Style Coupler is the perfect choice for any air tool application. This coupler is composed of case-hardened steel and is coated to prevent corrosion. It provides 68 standard cubic feet per minute of airflow and has a maximum pressure of 300 psi. 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®.