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Rust-Oleum's Flat Rusty Metal Primer delivers professional-grade rust prevention in a convenient 12oz spray format. This specialized formula bonds directly to existing rust, eliminating the need for wire brushing or sanding. The flat finish provides an ideal base coat for topcoat paints while actively stopping rust progression. Perfect for metal gates, railings, automotive parts, and outdoor equipment, this primer offers durable protection against moisture and corrosion. One can covers approximately 15-20 square feet, making it efficient for both small touch-ups and larger restoration projects. Fast-drying technology allows for quick recoating, getting your metal surfaces protected and ready for finishing in minimal time.