Birchwood Casey Perma Blue Liquid Gun Blue Kit - 13801 Easy to use, all-inclusive kits are the proven way to touch up or completely reblue most guns. Everything you need for a professional-looking, first-class job is included. The liquid kit includes 3 ounce Perma Blue Liquid Gun Blue, Blueing Applicators, Sponge, Service Cloth, 3 ounce Cleaner-Degreaser, Barricade Rust Protection Gun Wipes, 3 ounce Blue and Rust Remover, Complete Instruction Guide, and 00 Steel Wool Pads.