About this item SUS 304 Stainless Steel Rustproof: This bathroom faucet is made of premium grade SUS304 stainless steel and contains 18/8 Chromium/Nickel to protect against corrosion and rust, ensuring its long service life and requiring little maintenance. Save time and effort in replacing and maintaining faucets Improved Surface Treatment: KES uses a glaze sealing process to give the faucet an extra protective layer, which ensures that the surface is smooth, doesnt fade, and prevents oxidation. In addition, the protective layer can effectively prevent fingerprints. Superior Aerator: The superior aerator (1.2 GPM, which is compliant with California water efficiency regulations) creates a perfect aerated stream thats quiet and non-splashing. Most importantly, it saves water Single Hole Installation: Mounting hole diameter: 1.26 to 1.42 inches (32 to 36mm). Max. counter thickness: 1.38 inches (35mm). Spout reach: 5.71 inches (145mm), Spout height: 10.12 inches (257mm).