Size: 1/2inch female thread x 3/4inch male thread suitable for all / containers with a wall thickness of up to 14 mm Male thread brass quick connector,female thread inside.Embeded gasket provides strong seal without slipping. Using thread linking to make connection more firmly. Not easy to leak with 2 Rubber Ring, double sided protection It can be used in water towers, water inlet and outlet, and -made water storage , which can be used for various pipes, faucets, hoses, fittings, etc. Heavy-duty brass construction with rust proof, Easy to connect. More than aluminum or plastic materials. Colour:brass color Material:brass Package Contents: 1 3 bulkhead tank fitting Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.