1/4" screw adaptors with parallel female threads.
Female Coupler 1/2" BSP Female Thread One Touch Air Line Hose Coupling
Sealey Air Regulator 1/4"BSP Female - 1/4"BSP Male - SA5/RG/14
PCL AC21CF Air Line Coupling 1/4" BSP Female – Compressor Airflow Fitting – 5 PK
1/4'' BSP Female PCL Style Quick Release Coupling 004
1/4'' BSP Female PCL Style Quick Release Coupling
1/4'' BSP Female PCL Style Quick Release Coupling 007
