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The WD-40 Big Blast Can contains 18 oz. of multi-use spray lubricant that can be applied to almost any item to reduce friction and protect metal from rust and other corrosion. With over 2,000 documented uses, WD-40 is also commonly used to loosen stuck metal parts, remove grease and grime, silence squeaky components, and displace water to remove moisture from electrical systems. Even after the lubricant has dried, it continues to protect surfaces from corrosion. The lubricant’s petroleum base permits use on most materials, excluding polycarbonate and clear polystyrene. The aerosol canister contains 18 oz. of lubricant for moderate to heavy use and has a wide spray nozzle that covers areas with lubricant over three times faster than the standard WD-40 nozzle. Industrial lubricants can be... Less