Corrosion X by Corrosion Technologies offers comprehensive protection against corrosion, while also functioning as an effective lubricant and penetrant as well! Corrosion X is perfect for industrial and marine use, killing existing rust and protecting your trailer or other metal equipment from further corrosion. Corrosion X Spray is an effective penetrant and lubricant as well, so it is great for getting those tough to loosen nuts off of your trailer. Use this spray on any of your trailer parts and equipment that need strong corrosion protective!