The ultimate do it yourself firearm finish. Unique Can-within-a-Can technology provides the hardener right inside the can. No more measuring & mixing. Just release the hardener and shake. Provides protection against rust and corrosion, plus excellent uv protection. Can be applied to all types of metal, plastic, and wood. Can be applied over bare metal, Parkerizing, anodizing, and bluing. Remains useable for up to 48 hours once activated. Includes 12 oz DuraCoat, 6 oz TruStrip and Scrub Pad.