Draper 1/2" Male Thread PCL Tapered Airflow Coupling (Sold Loose) DR-37837For use with standard adaptors. BSP parallel. Positive lock single action ideally suited for most compressed air applications. Maximum airflow rate 1197L/min (42cfm) at 6.9bar (100 psi). Maximum working pressure 13.8bar (200psi). Sold loose.5010559378371PartNo-A21JM02 BULKDraper 37837