This hand-built Chicago Faucets 4" centerset gooseneck lavatory sink faucet set comes with porcelain lever handles. Features: 4" centers; 1/2" NPSM coupling nut for 3/8" or 1/2" flexible riser pipes & modern ceramic cartridge valves. Because Chicago Faucets primarily services the commercial market, their sink faucets are particularly durable. Warranty: Lifetime on the ceramic cartridge (residential use only - 5 years for commercial use); 5 year warranty on the finish and 1 year for manufacturing defects. An outstanding faucet at a great price. Click here to see a schematic of this unit (Requires Adobe Acrobat Reader) Click here to see installation instructions for this unit (Requires Adobe Acrobat Reader)