JB Industries CV 20004 Swivel Cylinder Valve Adapter, 3 4 in NPT x 1 4 in Male SAE, Brass PT9415 MPG KIT Overpressurization Valve Oil Capacity 65 Overpressurization Valve Oil Capacity 65 Face Material Brass Diameter 1 1 4" Face Shape Round Head Material Brass Handle Material Fiberglass Head Weight 2 1 2 lb Swivel cylinder valves for access valves connect access valves to compatible hoses and allow them to rotate freely to help align connected hoses for diagnosis and repair Country of Origin United States Connection Size 3 4 in NPS x 1 4 in SAE MF Overall Height 4 5 8 in Inlet Connection Size 3 4 in Overall Length 3 in Outlet Connection Size 1 4 in Overall Width 1 3 4 in For Use With All CFC