Brass barbed hose fitting, straight barbed reducer, coupler adapter, 8 mm x 4 mm (2 pieces)

Groove diameter (fits inside pipe diameter): 8 mm to 4 mm (5/16" to 1/8"); Overall length: 42 mm/1.65"; Hex width: 10 mm/0.39"; Barb length (approx.): 17 mm/0.67"

Fittings used to connect two pipes of different diameters in a straight line.

The barbed bar creates a tight seal on flexible and semi-rigid hoses when used with hose clamps or crimp sleeves or end fittings (not included).

Brass offers corrosion resistance, high-temperature ductility, and low magnetic permeability.

Commonly used for quick and easy connection of air, water, fuel, oil, and inert gas lines.