WD-40-Spray-Applicator-WD-40-44100-p-WD-40-reg-is-an-all-purpose-liquid-for-displacing-moisture-corrosion-control-lubrication-cleaning-&-penetration-It-has-the-ability-to-penetrate-the-minute-grain-boundaries-on-all-metals-Although-not-essentially-a-lubricant-WD-40-reg-is-regularly-used-to-lubricate-all-light-machinery-&-electrical-equipment-Protects-metal-from-rust-&-corrosion-penetrates-stuck-or-jammed-parts-displaces-moisture-&-lubricates-just-about-anything-It-is-al