The Klever Quick Browning is an easy to apply to brown bluing for repairing existing surface protection or with new parts. For repair work, it is important that air or leaf rust is removed down to the bare material. The more carefully you work here, the better the result. The mechanical rust removal with scraper, brush or emery cloth may be performed. Those who want to achieve a perfect surface, takes to the conclusion very fine emery cloth. Subsequently, blackened immediately. It is important that the bottle is shaken vigorously, then with a brush, apply the bronzing and can act as indicated in the instructions. New degrease steel parts carefully and brown as directed. The result is a uniform surface protection, but the mechanical stress (scratching, scraping) not withstand such a professional bluing in a Brünierbad.