Most everyone has heard about POR-15. We were so impressed with what this product can do for your restoration that we became a dealer! Whether you are painting the frame of a body off restoration or just protecting your battery tray from acid chemicals, this one time application will do the job. Even great on farm machinery and under water marine items. Its proven reputation is unequaled.This METAL READY cleaning etch is one of many of 15 items that we market. This provides the best adhesion on any metal surface including aluminum and polished surfaces. It gently etches the metal and gives an ideal surface for coatings such as POR-15 after thoroughly degreasing the area. METAL READY will neutralize and etch any clean bare metal. This is not needed for the POR-15 coating if the surface is grease free. This comes in a gallon.The final coating is what its all about, check part POR15DPB.Sold each.Made in USA