WD-40 Smart Straw in a 450ml aerosol can is a versatile multi-use product with an innovative Smart Straw design. This lubricant and penetrating oil efficiently loosens rusted parts, displaces moisture, and provides lasting protection against corrosion. The Smart Straw allows for precise application, making it a convenient tool for various maintenance tasks. It is safe and easy to use, adheres to most building materials, and can be used to fill minor gaps on uneven surfaces. The product is ideal for fixing skirting boards, dado rails, architraves, coving, polystyrene mouldings, decorative wall panels, plasterboard, carpet, carpet grippers, and worktops. It also frees rusted parts and sticky mechanisms.