BreakFree CLP-7 Cleaner Lubricant Preservative Gallon Jug, 3.78-Liter Penetrates and spreads along metal surfaces into every pit and crevice Long-lasting lubricating film dramatically reduces adhesion of sand, grit or other abrasives Corrosion inhibitors prevent the formation of rust while film protects metal surfaces from contaminants Specially formulated synthetic oils won't lose viscosity, dry out or stiffen up in extreme environments It has been proven to preform in temperatures ranging from -65F to +475F and after saltwater immersion