Standard size High Pressure Hose with of length of 76cm (30 inches), 91cm (36 inches) or 15cm (6 inches), as used on virtually all regular SCUBA Diving Cylinder Pressure Contents Gauges and Instrument Consoles. With male 7/16″ UNF & female 7/16″ UNF threaded fittings, suitable for attachment to the High Pressure threaded port of virtually all SCUBA Diving regulator first stages. A standard ‘straight shouldered’ swivel pin with O-Rings is included, perfect for use with most types of S.P.G. – Single Pressure Gauges and Gauge Console assemblies, Beaver also supply other types of Swivel Pins with O-Rings should an alternative model be required. Made in the EU to the highest possible standards using the best available materials and exceeding the standards of EN-250, this hose offers a huge level of flexibility whilst maintaining ultimate strength. Stainless steel fittings are produced from specially formulated Marine Grade material.