Product Summary
Birchwood Casey Perma Blue is a professional-grade cold blue liquid designed to touch up nicks and scratches on steel surfaces. This 3 oz bottle provides an easy-to-use solution for restoring a non-streaky, even blue/black finish. To achieve the best results, users should clean the metal thoroughly and apply the liquid using a swab without the need for heat. It is ideal for maintaining the aesthetic of firearms and other steel components. Please note that this product is intended for steel and is not compatible with stainless steel.
