WD-40 Lubricant Aerosol Spray 3 oz Multi-purpose lubricant reduces friction, displaces moisture, removes grease and grime, and protects metal from rust and corrosion Petroleum-based formula can be used on most materials, excluding polycarbonate and clear polystyrene 3-oz. aerosol canister can be stored in toolboxes and tool belts for portability Included straw creates a precision stream of lubricant for controlled application and fastens to the notched cap for secure storage Corrosion protection continues even after the lubricant has dried