Pump Impeller for auto water pump use Quality carbon steel, High precision, good finish, big quantity for auto use Pump Impeller for auto water pump useMaterial: Cold rolled carbon steel plateFinish: Galvanized by trivalent chromeApplication: Automotive pumps, submersible pumps or other mini. pumpsOutside pitch diameter: 65mm/70mm/75mm/80/85mm/90mmShaft hole diameter: 12mm