Search query: cold blue for metal
Product: Van's Gun Blue - Quart (32oz)
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 the Steel, providing a durable blue/black finish to ferrous metals
ESCI relevance label: E