The WD-40 WD405000 is a 5-liter bulk can of the original Multi-Use Product, designed for comprehensive maintenance tasks. This versatile solution effectively lubricates moving parts, protects metal surfaces from rust and corrosion, penetrates to free stuck components, cleans grime and dirt, and displaces moisture to prevent electrical failures. Its large volume makes it suitable for workshops, industrial settings, and agricultural machinery maintenance, offering a cost-effective way to keep equipment running smoothly and extend its lifespan. The formula is silicone-free and non-conductive, making it safe for various applications.