Bar diameter: 12mm (1/2); Bar length (approximate): 23mm/0.91; Total size: 40mm x 40mm x 13mm (1.57x 1.57 x 0.51(W*H*T) This coupling has barbed connections at both ends to connect two pipes at an angle. Barbed rods create a tight seal on flexible and semi-rigid tubing when used with a hose clamp, crimp sleeve, or ferrule (not included). This fitting is made of brass for corrosion resistance, high temperature ductility and low magnetic permeability. Commonly used to connect lines for air, water, fuel, oil and inert gases in a simple and quick way.<br><br>Note: The data is manual measurement, please allow 1-188cm error, due to differences between light and heat. screen, there will be a certain color difference, the specific received in kind prevail.