It's a unique replacement for oil/silicone gun and reel cloths. Sentry Solutions combine state-of-the-art dry film technology with a lint-free fabric to make TUF-CLOTH a superior, long-lasting product for both rust protection and lubrication. Sentry Solutions developed a formula of dry film rust inhibitors and lubricants which bond to metals. This mix impregnates a very durable yet soft cloth for easy application. TUF-CLOTH should be used to protect all types of metals and finishes, woods, and most plastics. It makes oil and silicone rags obsolete.