WD-40 Specialist Industrial-Strength Cleaner & Degreaser is a water-based, non-aerosol formula with a unique bio-solvent engineered and proven to be more powerful, safer, and easier to use than other degreasers on the market. It quickly breaks through tough grease and grime and is excellent for cleaning greasy automotive parts, tools, shop floors, industrial machinery, commercial appliances, and equipment. Added corrosion inhibitors help protect against flash rust.