The WD-40 Multi-Use Product with Smart Straw in the 300ml size is a versatile solution for lubrication, moisture displacement, and rust prevention. Its innovative Smart Straw applicator allows for both precise and wide-area spraying, making it ideal for various tasks around the home, garage, or workshop. Whether you're loosening rusted parts, silencing squeaky hinges, or protecting metal surfaces from corrosion, this product delivers reliable performance.