WD40 penetrating fluid is the cream of the crop when it comes to treating steel and other metals that are susceptible to corrosion. This is a fast acting spray-on liquid that will have your machinery looking and functioning like it just came out of the box. We offer this impressive liquid to everyone in need of a good penetrating lubrication fluid that will offer them a bang for their buck.WD40 lubrication fluid is formulated to create an anti-corrosive film around the object it has been sprayed