Check the listing for details. Black Star Rust Converter 12x1 (Full 12 Can Case). Condition: New. Listed at 189.95 USD. **Aerosols not currently eligible for free shipping.Black Star Rust ConverterNew and Improved formula for 2015 Kills rust and chemically converts it to a durable abrasion & corrosion resistant polymer resin. NO SANDINGNO ETCHING NO BLASTING NO SCRAPING..NONE OF THAT IS REQUIRED! Blackstar Rust Converter acts as an outstanding primer or final coat. Blackstar can be top coated with any oil or solvent based coating such as epoxies, enamels, urethanes, etc. . Black Star is in use by thousands of Ranchers & Farmers, Auto body shops, Cruise ship lines, off shore oil platforms, municipal highway & transportation departments as well as the U.S Navy & U.S. Coast Guard. Guaranteed! For use on any metal exposed to weather or corrosive chemicals including cars, trucks, trailers, marinas, oil rigs in the ocean, Bridge structures, steel metal barns & sheds, grain bins, metal roofs, fences, or metal surfaces exposed to rock salt. 1000’s of uses! What is the coverage of Blackstar Aerosol & gallon sizes?Each gallon will cover approximately 400-500 square feet. Coverage will vary depending on how much rust you have, type of metal, etc.What is the surface preparation procedure?Hose or power wash off any dirt or debris. Allow to dry. Then apply Black Star with a sprayer, brush, a roller or even just a rag. Some users dip rusty parts in for complete immersion. The surface will start to turn Black 20 Minutes after applying Black Star.This is when the Rust is turned into an Inert Polymer Coating that is bonded to the metal. After it dries you can leave it as is or paint over it with any color you like.All directions are on the label.Frequently Asked QuestionsWhat is the coverage per gallon?Each gallon will cover approximately 400-500 square feet. Coverage will vary depending on how much rust you have and the type of metal etc.What is the surface preparation procedure? Hose or power wash off any dirt or debris. Allow to dry. Then apply Black Star with a sprayer, brush, a roller or even just a rag. Its that simple! Does it matter what kind of metal I have?No not at all. Black Star will convert rust on Steel, Iron, galvanized and corrugated and many other metals. Black Star works equally well on flat, or angled surfaces as well as nuts, bolts, screws, welded seams, and tools!What kind of guarantee do you provide?We provide a 30 day money back guarantee. **FREE SHIPPING ONLY APPLIES TO THE 48 STATES, ALASKA AND HAWAII WILL BE CHARGED EXTRA BASED ON UPS SHIPPING PRICING AND SPECIFICATIONS**