Touch-up scratched and marred areas quickly. Used by gunsmiths 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 is also excellent for blackening nameplates, plaques, trophies and other engraved items. Final appearance can be enhanced by applying a clear coat finish, wax or oil. www.birchwoodcasey.com. www.gsmoutdoors.com. Made in the USA.