Quickly loosens rusted bolts, screws, shafts, piping, and all types of Frozen connections and assemblies. The answer for rusty or corroded fastenings on cars, trucks, trailers, tractors, farm machinery, appliances, washing machines, plumbing, water pumps, fishing reels, power tools, gardening equipment, and hundreds of other mechanisms. Packaged in a handy telescoping spout applicator.