Universal Fit:The Stainless Steel Barb Fittings are for connecting 7/16" ID hose/pipe.About This Products:Color: Silver ToneMaterial: 304 Stainless SteelOuter Diameter: 11mm / 7/16"Thread Size: 1/2 BSPTProduct Features:Compatible with PU hose, silica gel hose, rubber hose or PVC tube, widely used in air, water, gas, fuel, oil and inert gases in a quick and simple way.304 Stainless Steel has corrosion resistance, ductility at high temperatures, and low magnetic permeability, can withstand pressures up to 1.0mpa and temperatures up to 100° C.Deeper and smoother threads with barbed edges provide effective connectionWith a variety of sizes to choose from, there is no need to worry about not finding the size you need.Easy to Install:Stainless steel barb-type quick connector are rustproof, easy to connect and install.