Blacken-It For Metal  4oz. AW2   $12.99

Instantly blackens metals. Brush or dip brass, copper, nickel silver and other metals. Also produces realistic rust on corrugated steel. Won't hide fine details, and won't be harmed by oil, grease, water or solvent. May be soldered over and conducts electricity, as on wheels and rails. Will not effect aluminum or stainless steel.