FLUID FILM BLACK is a penetrant and lubricant powerful corrosion protection for all metals and superior lubrication for all moving parts. A non-toxic, long lasting, thixotropic liquid used in the highly corrosive marine environment of ships & offshore drilling rigs and vehicle undercoating in the automotive and snow-handling industries. Widely used for maintenance of garage door runners, locks, hinges & tracks, bicycle & motorcycle chains, tools, lawn & garden equipment - hedge trimmers and clippers, mowers, fertilizer spreaders & winterizing equipment. Vehicle chrome, door & trunk locks, hinges & seat tracks, battery terminals and electrical connections. Marine wire rope cables, rudder interiors & void tanks. Agricultural applicators & liquid fertilizer transfer pumps and industrial parts storage and shipping.