Birchwood Casey Presto Gun Blue Touch Up Pen
The room temperature chemical used by gunsmiths and industry to blacken aluminum parts. Restores scratched and marred areas quickly. Fast-acting liquid is easy to apply with no dimensional change. Color will vary from deep gray to black depending on alloy. Aluminum™ Black Metal Finish is also excellent for blackening name plates, plaques, trophies and other engraved items.
Features
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Penetrates hard steel instantly and gives a durable blue-black finish that won’t rub off
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Used to touch-up nicks and scratches on blued surfaces
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No heat required
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Reacts quickly with usually one coat needed
- Trusted by firearm owners and gunsmiths