WD-40 Specialist Penetrant is designed to corroded nuts and bolts while effectively penetrating rust to provide fast-acting relief. This product is compliant with 50 state VOC regulations, ensuring it meets environmental standards. Packaged in an 11 oz aerosol can, it is easy to use and i for tackling tough rust and corrosion problems. Whether you need to loosen stubborn fasteners or protect metal parts, WD-40 Specialist Penetrant delivers reliable performance in a convenient spray format. Model Number: 300004