Zinc Phosphate/Parkerizing solution produces a charcoal finish, and can be used for automotive and firearm restoration. Works on all steel parts to produce the original OEM finish. We have been in business for over 45 years selling the same top quality product since our beginning. This product is easy to use, safe to handle, and produces a superior mat charcoal black finish. This product can not be sold outside the continental US. No international sales. Please feel free to contact us directly with any questions or comments regarding the product.