Application:This brass hose coupling is used to connect air, water, oil, gas, fuel and other hose pipes. High quality material:Made of high quality brass for corrosion resistance, high temperature ductility and low magnetic permeability. Excellent sealing performance:The barbed seal ensures a tight connection to the hose when used with hose clamps, crimp sleeves or bushings and provides an excellent seal. arameters:Overall Size - 34mm x 34mm / 1.34in x 1.34in ,Suitable for pipe diameter 8 mm. Package included: 10 x 90 degree hose connector-8mm