Material :Durable solid brass. Nickel plating surface. High pressure of cold/hot water test at 12~20kg and pneumatic tests. Normal use over 600000 times without water leaks. High quality and durable ceramic valves ensuring there are no water leaks. Salt spray test over 200 hours. Easy to clean Can be cleaned with mild soap to ensure the non-tarnish life shine. Comes with all necessary accessories for installation. One side Pull-out design allows turn to any angles according to your like. Elegance and high quality faucet upgrade your kitchen. Note: The switch handle must install it yourself