🔫 Elevate Your Gun Restoration Game! Experience the blackest blue with our double-strength formula. Easily portable with dimensions of 6.8 x 6 x 2 inches and a weight of just 0.05 kg. Perfect for polished steel and nickel-chrome alloys. Includes 2 disposable absorbent pads for mess-free application. Enjoy peace of mind with our 100% money-back or replacement warranty. Double-strength solution Blackest blue finish 100% satisfaction guarantee The Birchwood Casey Super Blue Liquid Gun Blue is a premium double-strength bluing solution designed for restoring highly polished steel parts and hardened steels, excluding stainless. It delivers the deepest black finish and comes with two disposable absorbent pads for easy application. With a commitment to customer satisfaction, it includes a 100% money-back or replacement warranty.