WD-40 100249 Multi-Use Product Spray with Big Blast Nozzle, 18 oz. (Pack of 1) 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 18-oz. aerosol canister is sized for moderate to heavy use Wide spray nozzle covers large areas with lubricant faster than standard nozzle style Corrosion protection continues even after the lubricant has dried