Penetrates hard steel instantly and gives a durable blue-black finish that won't rub off. Reacts quickly with usually one coat needed. No heat required.
WARNING: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
WARNING: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to 
