Birchwood Casey Presto Blue - Presto Mag Gun Blue is a cold blue formulation that works on all steel (except stainless steel). Specifically formulated for when you want a deep blue luster on your firearms metal surfaces. For complete re-blue applications. Key Features: - Cold blue formulation that works on all steel (except stainless steel) - For complete re-blue applications Size: 3 fl oz, Plastic Bottle Flat Black Pen - The Super Black Touch-Up Pens contain a fast-drying, lead-free paint with superior adhesion and durability that helps fill in deep scratches or worn areas. Specially formulated for use on highly polished and matte finished alloy gun receivers, trigger guards, scopes, binoculars, cameras, flashlights, fishing reels and other sporting accessories.A double-strength bluing solution designed for bluing highly polished steel parts and hardened steels containing nickel and chrome alloys (except stainless). Super Blue Extra Strength Gun Blue is the blackest blue. Use caution to confine the solution to the area to be re-blued, as it will have an effect on the existing blue. Key Features: - Double-strength bluing solution - For bluing highly polished steel parts and hardened steels containing nickel and chrome alloys (except stainless) - Super Blue Extra Strength Gun Blue is the blackest blue Size: 3 fl oz, Plastic Bottle Plus Flat Black Pen & 5 Cotton Swabs All Backed by Westlake Market's quality product guarantee!