Durable Construction:This deck mounted bathroom faucet with single handle constructed from brass, special finished,prevent to be discolored,rusty.Suitable for lifelong use.Single lever handle to control flow and temperature,provides a clear and steady laminar stream Installation Hole Diameter :Diameter of hole in sink should be 30mm to 47mm Dimensions : Faucet height 8.46", Spout Height: 4.9", Spout Reach:5.7" Very easy to Install:Top surface mount type with 1 hole installation.Very