Made of stainless steel, high quality and durability. With a good ceramic cartridge, you can conveniently open or stop the water flow from the spray head. Inlet size: G 1/5.1 cm, outlet size: G 1/2 inch, the center distance between the hot and cold inlets is 100 mm. Includes mounting hardware, easy to install. If you need more bathroom or kitchen products, then search them in our shop. Please feel free to contact us if there are any questions. We will do our best to help you., Manufacturer: QIYOU