UPC certified basin faucet Casted brass body copper escutcheon, 1/4 inch turn ceramic disc on/off flow brass lever UPC cetified faucetCasted brass spout, brass bodycopper escutcheon, 1/4 inch turn ceramic disc on/off flow, and brass leverNickle layer thickness 8,0um, chrome layer thickness 0.25umPass CASS 8 hours test.