The Birchwood Casey Liquid Gun Blue Kit Remover/Perma Blue/Degreaser 13801 is a comprehensive cleaning and maintenance kit for guns, designed for deep cleaning and rust protection. The kit includes 10 items such as a blueing dauber, cleaning cloth, rust remover, sandpaper, steel wool, and a sponge, all in a sealed package. The product features a fast-acting formula, easy-to-use instructions, and a generous supply of everything you need to achieve a uniform blue-black finish. Made in the United States, this kit is perfect for men who enjoy shooting sports and gunsmithing.