PU-40 WD SPRAY is a blend of solvent & refined mineral oil containing corrosion and oxidation inhibitors, extreme pressure additives and a friction modifier. PU-40 WD SPRAY is particularly suitable to protect & dry-off engine ignition systems, coils, distributors, distributor plugs & spark plugs. This product is also an ideal general purpose lubricant for sliding window and doors, noisy fan belts, light machinery parts, hinges, and control linkages. To clean metal parts; spray on liberally, rub into the surface using an abrasive brush or cloth and then polish with a clean rag. PU-40 WD SPRAY has the following built in features: Long lasting lubrication, water and heat resistance, non-staining and non-toxic properties.