CGOLDENWALL CGOLDENWALL is a manufacturer specializing in Lab Faucet , we will provide to you the English Instruction and Professional Service. Features: The seven types are of different size and shape, which are marked in the pictures. The faucet of our product can rotate by 360 degree, which is very convenient in daily use. This product has two switches, one is cold water and the other is hot water. The anti-skid switch will help you operate even your hands are wet. This product can be applied to hospital, laboratory and schools for higher education. Specification: Body Material : Copper Size: Different Types with different size, marked in the pictures. NOTE: Thank you for choosing us! All products sold by our company, we will enjoy the strict assurance of the quality and excellent service, you can feel comfortable to buy and use.