Search query: cold blue for metal
Product: Van's Gun Blue - Gallon (128oz)
Brand: Van's Gun Blue
Description: High quality custom cold bluing. Used by Gunsmiths, Blacksmiths, Metal Artisans, Hobbyist and Manufacturers to oxidize and blacken steel.
Highlights: Penetrates steel, providing a durable blue/black finish to ferrous metals.
ESCI relevance label: S