A double-strength bluing solution designed for bluing highly polished steel parts and hardened steels containing nickel and chrome alloys. Super Blue Extra Strength Gun Blue is the blackest blue. Use caution to confine the solution to the area to be reblued as it will have an effect on the existing blue.
WARNING: To the state of California, this product is known to have chemicals that cause cancer, birth defects, and harm to the reproductive system.
