| Patented 2-step bumper sleeve protects coupler Safely bleeds air pressure before release Quick-connect design for easy use Compatible with Industrial, High Flow, Automotive, ARO & Lincoln fittings Heavy-duty steel construction for durability | 3/8" Female or Male NPT thread size Max PSI: 120 PSI, supports 31-67 CFM airflow Ideal for industrial and workshop applications Single retail pack for convenience Not recommended for high-vibration tools without leader hose |