Birchwood Casey Aluminium Black Touch up Metal Finish
The room temperature chemical used by gunsmiths and industry to blacken aluminium parts. Restores scratched and marred areas quickly. Fast-acting liquid is easy to apply with no dimensional change. Colour will vary from deep grey to black depending on alloy. Aluminum Black Metal Finish is also excellent for blackening name plates, plaques, trophies and other engraved items.