Used by gunsmiths, but can be used to blacken any aluminum parts. Restores scratched and marred areas. Fast acting with no dimensional change. Final color will vary from deep gray to black depending on alloy. Also excellent for blackening name plates, plaques, trophies, etc. 3 fluid ounce bottle.
PLEASE NOTE:
Due to government regulations, this product CANNOT be shipped through US MAIL (USPS). It may be shipped by UPS Ground service. Also, this product CANNOT be shipped to destinations outside of the USA.